{"product_id":"la-sportiva-challenger-backpack-28l","title":"La Sportiva Challenger Backpack 28L","description":"\u003cp\u003eThe La Sportiva Challenger 28 Backpack is a versatile, do-it-all pack designed for mountaineering, alpine climbing, and ski mountaineering. Built from ultra-tough, tear-resistant Challenge Sailcloth Ultra fabric, it delivers exceptional durability at a minimal weight, ready to take on ice, rock, and demanding alpine conditions.\u003c\/p\u003e\n\u003cp\u003eIts smart roll-top, tubular design allows the capacity to expand from 28 to 32 litres, giving you extra room when missions demand more gear. Inside, a drawstring divider splits the main compartment into two organised sections, both accessible via water-repellent side zips for quick access on the move.\u003c\/p\u003e\n\u003cp\u003eA modular external carry system with removable straps and cords lets you securely attach ropes, skis, ice axes, and a helmet, so you can tailor the setup to your objective. The back panel features a structured, removable insert to provide added support when carrying heavier loads, while fully adjustable shoulder straps and a waist belt with detachable hip pads ensure balanced weight distribution and lasting comfort.\u003c\/p\u003e\n\u003cp\u003eWhether you’re pushing into technical terrain or chasing fresh lines, the Challenger 28 Backpack is built to keep up with ambitious alpine adventures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMain body made of Challenge Sailcloth Ultra 400 fabric - Front panel and Roll-Top made of Challenge Sailcloth Ultra 200 fabric\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e28L volume, expandable to 32L with roll-top closure system\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMain compartment divided into two sections with drawstring closure\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWater-repellent YKK® side zippers for easy access to both main compartments\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemovable thermoformed back panel with structured insert for extra support\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWaist belt with double D-ring closure system and adjustable, removable hip pads with gear loop and zippered pocket\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully adjustable shoulder straps with load-adjustment system and chest strap with safety whistle\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDaisy chain with attachment points for included helmet holder\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable, removable front elastic cord, ice axe holders, compression strap and ski strap for A-frame or diagonal ski carry\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal pocket with key clip\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePFAS-free\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWaterproof 0.5 mil RUV matte film backing, recyclable after use.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBest for Mountaineering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSkis Holder: YES (A-STYLE \u0026amp; DIAGONAL)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelmet Holder: YES (INCLUDED)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvalanche Compartment: YES\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCapacity (L): 28+ (Expandable to 32L)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePFAS FREE: Yes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOther Fabric: Liner: 100% recycled Nylon\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMain Fabric: Body: Ultra 200 TX \/ 400 TX: 100% Polyethylene (UHMWPE)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"La Sportiva","offers":[{"title":"M\/L \/ Black","offer_id":56699320762741,"sku":"RK-CP-LASPO-CHLLNGRBPK-BLK-ML","price":265.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1554\/2851\/files\/zemp001_k00k0002_p_1_8e052475-8c14-4738-b09d-c82978ad5404.webp?v=1785444595","url":"https:\/\/rockrn.com\/ja\/products\/la-sportiva-challenger-backpack-28l","provider":"Rock+Run","version":"1.0","type":"link"}