{"title":"Climbing Chalk","description":"\u003cp\u003eClimbing chalk for bouldering, sport, and trad — ultra-pure magnesium carbonate for dry, secure grip on every hold. Made in the USA.\u003c\/p\u003e\u003cp\u003eShop the \u003ca href=\"\/products\/spider-chalk-refillable-chalk-ball\"\u003eRefillable Climbing Chalk Ball\u003c\/a\u003e, \u003ca href=\"\/products\/spider-chalk-powder-chalk\"\u003eSuper Performance Powder\u003c\/a\u003e, and \u003ca href=\"\/products\/block-chalk\"\u003eMega Block\u003c\/a\u003e. Not sure which? Read \u003ca href=\"\/blogs\/chalk\/liquid-chalk-vs-block-chalk\"\u003eour chalk format guide\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"spider-chalk-powder-chalk","title":"Spider Chalk Super Performance Powder Chalk","description":"\u003cp\u003e\u003cstrong\u003eSpider Chalk Super Performance Chalk contains lab-made, pure magnesium carbonate.\u003c\/strong\u003e We created lab-grade powder chalk and you can feel a difference immediately when compared to other climbing chalks.\u003c\/p\u003e\n\u003cp\u003eSuper Performance Chalk lasts longer and remains dry even during sweaty workouts thanks to the ultra-refined nature of our climbing chalk. Used by professional athletes for bouldering, rock climbing, weightlifting, powerlifting and CrossFit.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/spider-chalk-climbing-powder.jpg?v=1715778783\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/400_medium.jpg?v=1516992552\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTired of the mini-bags of expensive Climbing Chalk?\u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"d5543452-6ee8-4366-854b-eae8497ef0e5\" data-testid=\"conversation-turn-12\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"61e24744-842b-4a11-af60-8f8923379c75\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-thinking\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark markdown-new-styling\"\u003e\n\u003cul data-start=\"0\" data-end=\"437\"\u003e\n\u003cli data-start=\"0\" data-end=\"66\"\u003e\n\u003cp data-start=\"2\" data-end=\"66\"\u003e\u003cstrong data-start=\"2\" data-end=\"41\"\u003eStop overpaying for tiny chalk bags\u003c\/strong\u003e—upgrade to real volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"67\" data-end=\"158\"\u003e\n\u003cp data-start=\"69\" data-end=\"158\"\u003e\u003cstrong data-start=\"69\" data-end=\"96\"\u003eSuper Performance Chalk\u003c\/strong\u003e in an \u003cstrong data-start=\"103\" data-end=\"123\" data-is-only-node=\"\"\u003eExtra-Large 10oz\u003c\/strong\u003e resealable, durable zip-lock bag\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"159\" data-end=\"289\"\u003e\n\u003cp data-start=\"161\" data-end=\"187\"\u003e\u003cstrong data-start=\"161\" data-end=\"185\"\u003eChoose your texture:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"190\" data-end=\"289\"\u003e\n\u003cli data-start=\"190\" data-end=\"248\"\u003e\n\u003cp data-start=\"192\" data-end=\"248\"\u003e\u003cstrong data-start=\"192\" data-end=\"203\"\u003eChunky:\u003c\/strong\u003e ultra-dense block pieces mixed with powder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"251\" data-end=\"289\"\u003e\n\u003cp data-start=\"253\" data-end=\"289\"\u003e\u003cstrong data-start=\"253\" data-end=\"264\"\u003ePowder:\u003c\/strong\u003e fine, consistent grind\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"290\" data-end=\"360\"\u003e\n\u003cp data-start=\"292\" data-end=\"360\"\u003e\u003cstrong data-start=\"292\" data-end=\"311\"\u003eMade in the USA\u003c\/strong\u003e — we \u003cstrong data-start=\"317\" data-end=\"332\" data-is-only-node=\"\"\u003emanufacture\u003c\/strong\u003e, we don’t relabel imports\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"361\" data-end=\"437\"\u003e\n\u003cp data-start=\"363\" data-end=\"437\"\u003e\u003cstrong data-start=\"363\" data-end=\"409\"\u003ePure, laboratory-grade magnesium carbonate\u003c\/strong\u003e (no China\/Taiwan rebagging like all the \"climbing brands\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/SC_FACILITIES.gif?v=1590065026\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Spider Chalk","offers":[{"title":"10 oz Chunky","offer_id":40538628456506,"sku":"607052969356","price":21.95,"currency_code":"USD","in_stock":true},{"title":"10 oz Powder","offer_id":40538628554810,"sku":"607052969356","price":19.95,"currency_code":"USD","in_stock":true},{"title":"10 oz Chunky 2-Pack","offer_id":40545747173434,"sku":"","price":35.95,"currency_code":"USD","in_stock":true},{"title":"10 oz Powder 2-Pack","offer_id":40545747206202,"sku":"","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/2024-powder-and-chunky-8oz-new-bag-superchalk.jpg?v=1715778666"},{"product_id":"block-chalk","title":"Spider Chalk Mega Block","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003cstrong\u003e Pure Magnesium Carbonate Chalk for Climbing \u0026amp; Powerlifting (USA-Made)\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eSpider Chalk manufactures pure, lab-grade magnesium carbonate block chalk in 8oz (220 grams) Mega Blocks.\u003c\/p\u003e\n\u003cdiv style=\"padding-left: 30px; text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLasts Longer\u003c\/strong\u003e\u003cspan\u003e - Pure chalk lasts longer on your hand and has better grip with superior drying ability.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore Dense\u003c\/strong\u003e\u003cspan\u003e - Our manufacturing process makes the blocks less brittle so they don't break into pieces and make a mess.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore Chalk\u003c\/strong\u003e\u003cspan\u003e - Spider Chalk Mega Blocks are 3x the density of standard blocks.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Chalk \u003c\/strong\u003e\u003cspan\u003e- Other blocks turn slimy when you sweat. We use only magnesium carbonate with enhanced drying ability even in sweaty environments.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003cspan\u003e - All conventional 2 oz blocks are made in the same factory and private labeled. We are the only chalk company that manufactures blocks in the USA, and we're proud to make Mega Blocks at our facility in Atlanta, GA.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSanctioned For Powerlifting\u003c\/strong\u003e - Approved for all IPF and USAPL Powerlifting competitions. Used in Hyrox and CrossFit events.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNEW XEROLITE\u003cspan\u003e™ Option \u003c\/span\u003e\u003c\/strong\u003e- Mega Blocks with XEROLITE™ for Advanced Moisture Control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003cstrong\u003eMega Blocks last 2x longer than conventional blocks\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e1 lb Spider Chalk = 2 lbs of regular blocks.\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eWe are the only manufacturer of climbing chalk and weightlifting chalk in the USA. Our process ensures that your blocks last longer, create less dust and grip stronger.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eMega Blocks 2 lbs - $42.95 (free shipping)\u003cbr\u003eXEROLITE\u003cspan\u003e™\u003c\/span\u003e Blocks 2 lbs - $48.95 (free shipping)\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003e2 lbs of Spider Chalk is equivalent to 4 lbs of regular 2oz blocks sold in packs of 8 per box. \u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eRead reviews to confirm that Mega Blocks SAVE money by less wasted chalk.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003eGyms, weightrooms and climbing facilities all across the USA (and in 21 countries) use Spider Chalk Mega Blocks, and they are now the standard for any weightlifter, powerlifter, gymnast or rock climber. We do not use fillers, binders or drying agents. Our manufacturing process produces a denser, cleaner and more pure block.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/wide-spider-chalk-banner-blocks_600x600.jpg?v=1715777750\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e8 oz Mega Block Dimensions:\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003eWeight: ~220 Grams\u003cbr\u003eLength: 4\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWidth: 3.5\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThickness: 2.5\"\u003cbr\u003e2x 8oz Blocks Per Box = 1lb Chalk\u003c\/span\u003e\u003cimg alt=\"\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 data-end=\"111\" data-start=\"64\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/XEROLITE-banner.png?v=1765896367\" alt=\"\"\u003e\u003c\/h3\u003e\n\u003ch3 data-start=\"2903\" data-end=\"2934\"\u003eXEROLITE™ has \u003cstrong\u003ehigher drying\u003c\/strong\u003e ability and \u003cstrong\u003eincreased friction\u003c\/strong\u003e compared to magnesium carbonate chalk.\u003c\/h3\u003e\n\u003cp data-start=\"2936\" data-end=\"3258\"\u003eGrip loss does not occur because chalk “runs out” but because\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"3006\" data-end=\"3072\"\u003emoisture overwhelms the material’s ability to manage hydration\u003c\/strong\u003e. XEROLITE™ addresses this at the materials-science level, delivering\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"3142\" data-end=\"3229\"\u003ehigher absorption capacity, longer functional dryness, and more consistent friction\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eduring high-output training.\u003c\/p\u003e\n\u003cp\u003eXEROLITE™ \u003cstrong\u003eoutperformed \u003c\/strong\u003econventional chalk in testing across multi-modal domains including weightlifting, armwrestling, pickleball, tennis, golf, pole, disc, shooting, gymnastics, powerlifting, strongman, Ninja, CrossFit, Hyrox and track \u0026amp; field.\u003c\/p\u003e\n\u003cp\u003e----\u003c\/p\u003e\n\u003cp data-end=\"2028\" data-start=\"1916\"\u003e\u003cstrong data-end=\"1931\" data-start=\"1916\"\u003eWhat Spider Chalk Is:\u003c\/strong\u003e\u003cbr data-end=\"1934\" data-start=\"1931\"\u003ePure magnesium carbonate chalk products manufactured in the USA. Designed for maximum dryness and grip.\u003c\/p\u003e\n\u003cp data-end=\"2046\" data-start=\"2030\"\u003e\u003cstrong data-end=\"2044\" data-start=\"2030\"\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2144\" data-start=\"2047\"\u003e\n\u003cli data-end=\"2064\" data-start=\"2047\"\u003e\n\u003cp data-end=\"2064\" data-start=\"2049\"\u003eRock climbing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2079\" data-start=\"2065\"\u003e\n\u003cp data-end=\"2079\" data-start=\"2067\"\u003eBouldering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2110\" data-start=\"2080\"\u003e\n\u003cp data-end=\"2110\" data-start=\"2082\"\u003eWeightlifting \/ Powerlifting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2144\" data-start=\"2111\"\u003e\n\u003cp data-end=\"2144\" data-start=\"2113\"\u003eCrossFit \u0026amp; Hyrox\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2168\" data-start=\"2146\"\u003e\u003cstrong data-end=\"2166\" data-start=\"2146\"\u003eWhy It’s Better:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2319\" data-start=\"2169\"\u003e\n\u003cli data-end=\"2193\" data-start=\"2169\"\u003e\n\u003cp data-end=\"2193\" data-start=\"2171\"\u003e100% lab-grade MgCO₃\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2227\" data-start=\"2194\"\u003e\n\u003cp data-end=\"2227\" data-start=\"2196\"\u003eZero fillers or drying agents\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2281\" data-start=\"2228\"\u003e\n\u003cp data-end=\"2281\" data-start=\"2230\"\u003eConsistent hardness — Mega Blocks don't crumble prematurely\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2319\" data-start=\"2282\"\u003e\n\u003cp data-end=\"2319\" data-start=\"2284\"\u003eLonger surface life per application\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2333\" data-start=\"2321\"\u003e\u003cstrong data-end=\"2331\" data-start=\"2321\"\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2399\" data-start=\"2334\"\u003e\n\u003cli data-end=\"2356\" data-start=\"2334\"\u003e\n\u003cp data-end=\"2356\" data-start=\"2336\"\u003eWeight: 8 oz block\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2376\" data-start=\"2357\"\u003e\n\u003cp data-end=\"2376\" data-start=\"2359\"\u003eMaterial: MgCO₃\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2399\" data-start=\"2377\"\u003e\n\u003cp data-end=\"2399\" data-start=\"2379\"\u003eManufacturing: USA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2581\" data-start=\"2563\"\u003eMaterial Tags:\u003c\/h3\u003e\n\u003cul data-end=\"2640\" data-start=\"2582\"\u003e\n\u003cli data-end=\"2605\" data-start=\"2582\"\u003e\n\u003cp data-end=\"2605\" data-start=\"2584\"\u003emagnesium carbonate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2620\" data-start=\"2606\"\u003e\n\u003cp data-end=\"2620\" data-start=\"2608\"\u003epure MgCO3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2640\" data-start=\"2621\"\u003e\n\u003cp data-end=\"2640\" data-start=\"2623\"\u003elab grade chalk\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2640\" data-start=\"2621\"\u003eXEROLITE™\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2660\" data-start=\"2642\"\u003eUse-Case Tags:\u003c\/h3\u003e\n\u003cul data-end=\"2758\" data-start=\"2661\"\u003e\n\u003cli data-end=\"2679\" data-start=\"2661\"\u003e\n\u003cp data-end=\"2679\" data-start=\"2663\"\u003eclimbing chalk\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2702\" data-start=\"2680\"\u003e\n\u003cp data-end=\"2702\" data-start=\"2682\"\u003epowerlifting chalk\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2716\" data-start=\"2703\"\u003e\n\u003cp data-end=\"2716\" data-start=\"2705\"\u003egym chalk\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2739\" data-start=\"2717\"\u003e\n\u003cp data-end=\"2739\" data-start=\"2719\"\u003eweightlifting grip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2758\" data-start=\"2740\"\u003e\n\u003cp data-end=\"2758\" data-start=\"2742\"\u003ecrossfit chalk\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2778\" data-start=\"2760\"\u003eCategory Tags:\u003c\/h3\u003e\n\u003cul data-end=\"2841\" data-start=\"2779\"\u003e\n\u003cli data-end=\"2794\" data-start=\"2779\"\u003e\n\u003cp data-end=\"2794\" data-start=\"2781\"\u003echalk block\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2811\" data-start=\"2795\"\u003e\n\u003cp data-end=\"2811\" data-start=\"2797\"\u003echalk powder\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2841\" data-start=\"2829\"\u003e\n\u003cp data-end=\"2841\" data-start=\"2831\"\u003eUSA made\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spider Chalk","offers":[{"title":"2 Lbs - Spider Chalk Blocks","offer_id":22554303940,"sku":"","price":42.95,"currency_code":"USD","in_stock":true},{"title":"2 Lbs - XEROLITE™ Blocks","offer_id":22554304004,"sku":"","price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/2024-blocks-and-box-new-blocks-ai-edit.jpg?v=1724340996"},{"product_id":"spider-chalk-refillable-chalk-ball","title":"Spider Chalk Refillable Climbing Chalk Ball","description":"\u003cp\u003eThe world's most pure magnesium carbonate in a refillable chalk sock. Spider Chalk's Chalk Balls are the perfect size pouch to fit in your hand, climbing bag or gym bag.\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003eUnique Benefits\u003c\/h3\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cstrong\u003e1. Lasts Longer\u003c\/strong\u003e\u003cspan\u003e - Pure chalk lasts longer on your hand and has better grip with superior drying ability. That means Spider Chalk balls last 2x longer than any other chalk.\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e2. Refillable\u003c\/strong\u003e\u003cspan\u003e - With an elastic drawstring and heavy duty clip, our Chalk Balls will last through repeated refill sessions. \u003cstrong\u003eThis will be the last chalk ball you ever buy.\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e3. More Chalk\u003c\/strong\u003e\u003cspan\u003e - Spider Chalk Chalk Balls are 3oz each which means more chalk per pouch. \u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e4. Pure Chalk \u003c\/strong\u003e\u003cspan\u003e- Other chalk balls use cheap, generic chalk. Spider Chalk uses the most pure climbing chalk on the planet.\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e5. Made in the USA\u003c\/strong\u003e\u003cspan\u003e - All chalk balls are made in the same factory and private labeled. We are the only chalk company who manufactures refillable chalk balls here in the USA and we're proud to make them at our facility in Atlanta, GA.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/hand-grips-pullups-spider-chalk.jpg?v=1715780208\"\u003e\u003c\/p\u003e\n\u003ch1 style=\"text-align: center;\"\u003eEach chalk ball is filled with 3oz of ultra-pure Spider Chalk powder.\u003c\/h1\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/400_medium.jpg?v=1516992552\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: left;\"\u003eOptions:\u003c\/h3\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\"2-Pack\" includes 2 x 3oz re-fillable chalk balls in a resealable bag.\u003c\/li\u003e\n\u003cli\u003e\"2-Pack + Refill\" includes 2 x 3oz re-fillable chalk balls AND 6oz of powder Spider Chalk, enough to refill both chalk balls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"float: left;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/SC_FACILITIES.gif?5383446880665021855\" style=\"float: left;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e \u003ca href=\"\/collections\/climbing-chalk\"\u003eAll climbing chalk\u003c\/a\u003e · \u003ca href=\"\/products\/spider-chalk-powder-chalk\"\u003ePowder Chalk\u003c\/a\u003e · \u003ca href=\"\/blogs\/chalk\/liquid-chalk-vs-block-chalk\"\u003eChalk format guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Spider Chalk","offers":[{"title":"2-Pack","offer_id":1493255684111,"sku":"607052969387","price":16.95,"currency_code":"USD","in_stock":true},{"title":"2-Pack+Refill","offer_id":1493255716879,"sku":"607052969387","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/2024-pouches-black-bag.jpg?v=1724341883"},{"product_id":"xerolite-powder","title":"Xerolite™","description":"\u003cp\u003e\u003cb\u003e\u003cspan\u003e\u003cimg\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/generated-image_4.jpg?v=1773335228\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eNEW 8oz Xerolite™ Powder\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\"\u003eNEW Xerolite™ 8oz Blocks\u003c\/h2\u003e\n\u003ch3 data-start=\"2903\" data-end=\"2934\"\u003eXerolite™ has \u003cstrong\u003ehigher drying\u003c\/strong\u003e ability and \u003cstrong\u003eincreased friction\u003c\/strong\u003e compared to magnesium carbonate chalk.\u003c\/h3\u003e\n\u003cp data-start=\"2936\" data-end=\"3258\"\u003eGrip loss does not occur because chalk “runs out” but because\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"3006\" data-end=\"3072\"\u003emoisture overwhelms the material’s ability to manage hydration\u003c\/strong\u003e. Xerolite™ addresses this at the materials-science level, delivering\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"3142\" data-end=\"3229\"\u003ehigher absorption capacity, longer functional dryness, and more consistent friction\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eduring high-output training.\u003c\/p\u003e\n\u003cp\u003eXerolite™ \u003cstrong\u003eoutperformed \u003c\/strong\u003econventional chalk in testing across multi-modal domains including weightlifting, armwrestling, pickleball, tennis, golf, pole, disc, shooting, gymnastics, powerlifting, strongman, Ninja, CrossFit, Hyrox and track \u0026amp; field.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 data-end=\"111\" data-start=\"64\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/XEROLITE-banner.png?v=1765896367\" alt=\"\"\u003e\u003c\/h3\u003e\n\u003ch3 data-start=\"291\" data-end=\"334\"\u003eEngineered at the Micro- and Nano-Scale\u003c\/h3\u003e\n\u003cp data-start=\"336\" data-end=\"547\"\u003e\u003cstrong data-start=\"336\" data-end=\"349\"\u003eXerolite™\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis not conventional chalk. It is an engineered grip material developed using\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"427\" data-end=\"457\"\u003eadvanced mesoporous hydrophilic powder\u003c\/strong\u003e, designed to manage moisture at the microscopic level where grip failure actually begins.\u003c\/p\u003e\n\u003ch3 data-start=\"336\" data-end=\"547\" style=\"padding-left: 40px;\"\u003e\n\u003cstrong\u003eQ: How does Xerolite™ compare to Aerogel products?\u003cbr\u003e\u003c\/strong\u003e\u003cstrong data-start=\"336\" data-end=\"349\"\u003e\u003cbr\u003e\u003c\/strong\u003eA: Due to their hydrophobic (moisture-repelling) nature, Aerogel and Silica Silylate increase grip only until the introduction of moisture, rendering them ineffective on humid or sweaty surfaces. Xerolite™ unites friction and absorption, outperforming Aerogel and Silica Silylate in all real-world tests.\u003c\/h3\u003e\n\u003ch3 data-end=\"111\" data-start=\"64\"\u003e\u003cstrong data-end=\"111\" data-start=\"64\"\u003eAdvanced Drying\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"414\" data-start=\"113\"\u003e\u003cstrong data-end=\"125\" data-start=\"113\"\u003eXerolite\u003cmeta charset=\"utf-8\"\u003e \u003cb id=\"docs-internal-guid-f9ec0cca-7fff-f8c5-9af2-45c7dae4a024\"\u003e\u003cspan\u003e™\u003c\/span\u003e\u003c\/b\u003e\u003c\/strong\u003e is a next-generation desiccant engineered for superior moisture control in demanding environments. Xerolite\u003cmeta charset=\"utf-8\"\u003e\u003cb id=\"docs-internal-guid-f9ec0cca-7fff-f8c5-9af2-45c7dae4a024\"\u003e\u003cspan\u003e™\u003c\/span\u003e\u003c\/b\u003e is a \u003cstrong data-end=\"304\" data-start=\"254\"\u003emesoporous, low-hydrate precipitated ultra-fine powder\u003c\/strong\u003e, designed to deliver exceptional adsorption performance without the weight and thermal burden of bound water.\u003c\/p\u003e\n\u003cul data-end=\"1089\" data-start=\"416\"\u003e\n\u003cli data-end=\"575\" data-start=\"416\"\u003e\n\u003cp data-end=\"575\" data-start=\"418\"\u003e\u003cstrong data-end=\"442\" data-start=\"418\"\u003eUltra-high porosity:\u003c\/strong\u003e Xerolite’s\u003cmeta charset=\"utf-8\"\u003e\u003cb id=\"docs-internal-guid-f9ec0cca-7fff-f8c5-9af2-45c7dae4a024\"\u003e\u003cspan\u003e™\u003c\/span\u003e\u003c\/b\u003e open, nanostructured matrix offers an enormous internal surface area, enabling rapid and sustained uptake of water vapor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"750\" data-start=\"576\"\u003e\n\u003cp data-end=\"750\" data-start=\"578\"\u003e\u003cstrong data-end=\"602\" data-start=\"578\"\u003eLow hydration state:\u003c\/strong\u003e Manufactured as a low-hydrate hydrophilic powder, Xerolite\u003cmeta charset=\"utf-8\"\u003e\u003cb id=\"docs-internal-guid-f9ec0cca-7fff-f8c5-9af2-45c7dae4a024\"\u003e\u003cspan\u003e™\u003c\/span\u003e\u003c\/b\u003e minimizes intrinsic water content, maximizing effective drying capacity and efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"930\" data-start=\"751\"\u003e\n\u003cp data-end=\"930\" data-start=\"753\"\u003e\u003cstrong data-end=\"771\" data-start=\"753\"\u003eFast kinetics:\u003c\/strong\u003e Its finely controlled porosity accelerates moisture diffusion into internal pores, giving Xerolite\u003cmeta charset=\"utf-8\"\u003e\u003cb id=\"docs-internal-guid-f9ec0cca-7fff-f8c5-9af2-45c7dae4a024\"\u003e\u003cspan\u003e™\u003c\/span\u003e\u003c\/b\u003e quicker response times compared to conventional desiccants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1089\" data-start=\"931\"\u003e\n\u003cp data-end=\"1089\" data-start=\"933\"\u003e\u003cstrong data-end=\"951\" data-start=\"933\"\u003eVersatile use:\u003c\/strong\u003e Ideal for sports grip, agriculture, packaging, electronics, pharmaceuticals, industrial drying, and other applications where reliable humidity control and\/or friction is critical.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1288\" data-start=\"1091\"\u003eXerolite\u003cmeta charset=\"utf-8\"\u003e\u003cb id=\"docs-internal-guid-f9ec0cca-7fff-f8c5-9af2-45c7dae4a024\"\u003e\u003cspan\u003e™\u003c\/span\u003e\u003c\/b\u003e combines innovative materials engineering with practical performance, offering an advanced alternative to traditional silica gels and magnesium carbonates for next-level moisture management.\u003c\/p\u003e\n\u003cp data-end=\"1288\" data-start=\"1091\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/spider_chalk_comparison_chart_wide.jpg?v=1774275803\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Spiderchalk","offers":[{"title":"8oz Xerolite™ Powder","offer_id":41286657081402,"sku":null,"price":24.95,"currency_code":"USD","in_stock":true},{"title":"2lbs Xerolite™ Blocks","offer_id":41286657048634,"sku":null,"price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/9204\/files\/Xerolite-bag-front-8oz-white-bg.jpg?v=1786388808"}],"url":"https:\/\/spiderchalk.com\/collections\/climbing-chalk.oembed","provider":"Spiderchalk","version":"1.0","type":"link"}