{"id":125718,"date":"2025-11-25T10:20:07","date_gmt":"2025-11-25T09:20:07","guid":{"rendered":"https:\/\/www.kletterretter.com\/?p=125718"},"modified":"2025-11-25T10:32:09","modified_gmt":"2025-11-25T09:32:09","slug":"kletterretter-performance-chalk","status":"publish","type":"post","link":"https:\/\/www.kletterretter.com\/en\/kletterretter-performance-chalk\/","title":{"rendered":"New: KletterRetter Performance Chalk with 10% Upsalite"},"content":{"rendered":"<p>We all know that moment: your hands are sweating, your pulse is racing, the crux is approaching \u2013 and suddenly your grip fades. You don\u2019t feel ready for the next move. That\u2019s exactly why we developed our new <strong>KletterRetter Performance Chalk<\/strong>.<\/p>\n<p>The combination of <strong>ultra-pure magnesium carbonate<\/strong> and <strong>10% Upsalite\u00ae<\/strong>, a patented, highly porous magnesium carbonate from Sweden, takes your friction to the next level. More control, less re-chalking and better performance, whether you&#8217;re bouldering, climbing outdoors, or competing.<\/p>\n<p><!--more--><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" class=\"alignright size-medium wp-image-125719\" srcset=\"https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite-300x300.jpg 300w, https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite-100x100.jpg 100w, https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite-64x64.jpg 64w, https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite-247x247.jpg 247w, https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite-510x510.jpg 510w, https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite-1024x1024.jpg 1024w, https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite-150x150.jpg 150w, https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite-768x768.jpg 768w, https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Upsalite.jpg 1169w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<h2><strong>What makes our Performance Chalk so special?<\/strong><\/h2>\n<p>Upsalite\u00ae is not an ordinary magnesium carbonate. It has an <strong>extremely large internal surface area<\/strong> and a <strong>mesoporous structure<\/strong> that efficiently binds moisture and oil. Even with only <strong>10% Upsalite\u00ae<\/strong>, moisture absorption doubles compared to regular chalk.<\/p>\n<p><strong>This means for you:<\/strong><\/p>\n<ul>\n<li><strong>More grip<\/strong>, even during long sessions<\/li>\n<li><strong>Longer-lasting dry hands<\/strong><\/li>\n<li><strong>Reduced chalk consumption<\/strong> (more efficient use)<\/li>\n<li><strong>Consistent grip<\/strong>, even in changing conditions<\/li>\n<\/ul>\n<p>Upsalite\u00ae can bind not only water but also <strong>skin oils and fats<\/strong>, a crucial advantage when your grip starts to fade.<\/p>\n<h2><strong>The science behind Upsalite\u00ae<\/strong><\/h2>\n<p>Upsalite\u00ae was developed at Uppsala University and has a structure with so much surface area that <strong>one gram can cover several hundred square meters<\/strong>, equivalent to the area of several tennis courts. The pores are so fine that they absorb moisture extremely efficiently and can store it over time.<\/p>\n<p>Studies and application data show:<\/p>\n<ul>\n<li><strong>2\u00d7 higher moisture absorption<\/strong> with only 10% Upsalite\u00ae in the chalk<\/li>\n<li><strong>Improved adhesion<\/strong>, as Upsalite\u00ae embeds into the skin structure and increases the contact area<\/li>\n<li><strong>Dermatologically tested<\/strong>, vegan, skin-safe, and approved for cosmetic use<\/li>\n<\/ul>\n<h2><strong>Who is the Performance Chalk ideal for?<\/strong><\/h2>\n<p>Perfect for anyone looking to get the most out of their grip:<\/p>\n<ul>\n<li><strong>Performance climbers &amp; competition athletes<\/strong> who require absolute precision<\/li>\n<li><strong>Boulderers<\/strong> who need maximum friction<\/li>\n<li><strong>Outdoor climbers<\/strong> training in changing conditions<\/li>\n<li><strong>Anyone wanting to feel a measurable performance difference<\/strong><\/li>\n<\/ul>\n<h2><strong>How does it feel?<\/strong><\/h2>\n<p>Most testers report:<\/p>\n<ul>\n<li><strong>Immediately dry but not over-dried hands<\/strong><\/li>\n<li><strong>Noticeably improved friction<\/strong> on volumes and crimps<\/li>\n<li><strong>Stable performance<\/strong> over extended periods<\/li>\n<li><strong>Less re-chalking<\/strong> and fewer \u201cchalk clouds\u201d<\/li>\n<\/ul>\n<p>This matches our internal data: chalk with Upsalite\u00ae stays effective longer and needs to be reapplied less frequently.<\/p>\n<h2><strong>Why only 10% Upsalite\u00ae?<\/strong><\/h2>\n<p>In theory, a higher percentage would be possible, but:<\/p>\n<ul>\n<li>Pure Upsalite\u00ae would be <strong>too dehydrating<\/strong><\/li>\n<li>It would be <strong>unnecessarily expensive<\/strong><\/li>\n<li>It would <strong>dry out the skin too much<\/strong> over time<\/li>\n<\/ul>\n<p>Our blend of <strong>90% magnesium carbonate + 10% Upsalite\u00ae<\/strong> is the optimal sweet spot between <strong>performance<\/strong> and <strong>skin-friendliness<\/strong>.<\/p>\n<h2><strong>Sustainable packaging<\/strong><\/h2>\n<p>Our packaging consists of:<\/p>\n<ul>\n<li><strong>100% recyclable mono-material<\/strong><\/li>\n<li><strong>30% recycled materials<\/strong><\/li>\n<\/ul>\n<p>This way we combine performance with sustainability \u2013 true to the KletterRetter spirit.<\/p>\n<h2><strong>Ingredients<\/strong><\/h2>\n<p>Magnesium carbonate, Upsalite\u00ae<\/p>\n<h2><strong>Conclusion: More control in every move<\/strong><\/h2>\n<p>Whether on crimps, slopers, or volumes, <strong>KletterRetter Performance Chalk<\/strong> supports you in every movement. More friction, less re-chalking, higher efficiency, and a noticeable performance boost thanks to 10% Upsalite\u00ae.<\/p>\n<p>If you want to take your climbing to the next level, this is the perfect addition to your chalk bag.<\/p>\n<div class=\"woocommerce \"><div class=\"products row row-small large-columns-3 medium-columns-3 small-columns-2\">\n<div class=\"product-small col has-hover product type-product post-125646 status-publish first instock product_cat-all-products product_cat-kletterretter product_cat-chalk-en product_cat-training-and-performance has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<div class=\"col-inner\">\n\t\n<div class=\"badge-container absolute left top z-1\">\n\n<\/div>\n\t<div class=\"product-small box \">\n\t\t<div class=\"box-image\">\n\t\t\t<div class=\"image-fade_in_back\">\n\t\t\t\t<a href=\"https:\/\/www.kletterretter.com\/en\/product\/kletterretter-performance-chalk-200g\/\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1480\" height=\"1480\" src=\"https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/200g-performance-3d-1-e1764001180342.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"KletterRetter Performance Chalk 200g\" \/><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1536\" src=\"https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/11\/Performance-Chalk.png\" class=\"show-on-hover absolute fill hide-for-small back-image\" alt=\"Alternative view of KletterRetter Performance Chalk 200g\" aria-hidden=\"true\" \/>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t<div class=\"image-tools is-small top right show-on-hover\">\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"image-tools is-small hide-for-small bottom left show-on-hover\">\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"image-tools grid-tools text-center hide-for-small bottom hover-slide-in show-on-hover\">\n\t\t\t\t<a href=\"#quick-view\" class=\"quick-view\" role=\"button\" data-prod=\"125646\" aria-haspopup=\"dialog\" aria-expanded=\"false\" data-flatsome-role-button>Quick View<\/a>\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text box-text-products\">\n\t\t\t<div class=\"title-wrapper\"><p class=\"name product-title woocommerce-loop-product__title\"><a href=\"https:\/\/www.kletterretter.com\/en\/product\/kletterretter-performance-chalk-200g\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">KletterRetter Performance Chalk 200g<\/a><\/p><\/div><div class=\"price-wrapper\">\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>18,90<\/bdi><\/span> <small class=\"woocommerce-price-suffix\">incl. VAT<\/small><\/span>\n<\/div><div class=\"add-to-cart-button\"><a href=\"\/en\/wp-json\/wp\/v2\/posts\/125718?add-to-cart=125646\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_125646\" data-quantity=\"1\" class=\"primary is-small mb-0 button product_type_simple add_to_cart_button ajax_add_to_cart is-flat\" data-product_id=\"125646\" data-product_sku=\"KRC200P\" aria-label=\"Add to cart: &ldquo;KletterRetter Performance Chalk 200g&rdquo;\" rel=\"nofollow\" data-success_message=\"&ldquo;KletterRetter Performance Chalk 200g&rdquo; has been added to your cart\" role=\"button\">Add to cart<\/a><\/div>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_125646\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t<\/div>\n\t<\/div>\n\t\t<\/div>\n<\/div><\/div><!-- row -->\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>We all know that moment: your hands are sweating, your pulse is racing, the crux is approaching \u2013 and suddenly your grip fades. You don\u2019t feel ready for the next move. That\u2019s exactly why we developed our new KletterRetter Performance Chalk. The combination of ultra-pure magnesium carbonate and 10% Upsalite\u00ae, a patented, highly porous magnesium [&#8230;]\n","protected":false},"author":2,"featured_media":125715,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-125718","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New: KletterRetter Performance Chalk with 10% Upsalite - KletterRetter - Climb more. Climb better.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kletterretter.com\/en\/kletterretter-performance-chalk\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New: KletterRetter Performance Chalk with 10% Upsalite - KletterRetter - Climb more. Climb better.\" \/>\n<meta property=\"og:description\" content=\"We all know that moment: your hands are sweating, your pulse is racing, the crux is approaching \u2013 and suddenly your grip fades. You don\u2019t feel ready for the next move. That\u2019s exactly why we developed our new KletterRetter Performance Chalk. 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