{"title":"Backpacks \u0026 Belts","description":"\u003cp\u003eFast-access packs and running belts engineered for trail running and mountain days. Minimal bulk, optimal load distribution, nothing to slow you down.\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"speedpack-skimo-18","title":"Speedpack Skimo 18","description":"\u003cdiv style=\"text-align: center;\"\u003e  \u003cp style=\"font-size: 18px;\"\u003eThe SPEEDPACK SKIMO 18 is a technical backpack designed for competitive ski mountaineering and high-intensity \u003cem\u003eFAST\u0026amp;LIGHT\u003c\/em\u003e skimo missions. Its minimalist structure balances speed, capacity, and functionality, offering rapid access to gear and total freedom of movement during both ascents and descents.\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eOptimized for efficiency, it allows the user to attach and remove skis without taking the backpack off. It integrates a side-access crampon pocket, internal space for shovel and probe, an included partner-towing system, and an additional secondary ski-carry option. It also features a shoulder-mounted soft flask holder (330 ml). Ideal for skimo athletes and mountain skiers who prioritize lightness and agility.\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eDesigned, tested, and developed together with the Spanish Olympic FEDME ski-mountaineering team.\u003c\/p\u003e  \u003cp style=\"font-size: 18px;color: #333;\"\u003e\u003cstrong\u003e\u003cem\u003eFAST\u0026amp;LIGHT\u003c\/em\u003e - 417 g.\u003c\/strong\u003e\u003c\/p\u003e  \u003cdiv\u003e    \u003cimg src=\"https:\/\/os2o.com\/img\/cms\/72ppp\/os2o%20-%20logos%20web%20-%20bn-72.png\" width=\"90\" style=\"vertical-align: middle;\"\u003e    \u003cimg src=\"https:\/\/os2o.com\/img\/cms\/Logos%20140\/logo_speedpack.webp\" width=\"90\" style=\"vertical-align: middle;\"\u003e  \u003c\/div\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eActivity\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eSkimo\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eEquipment\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eFast ski-attachment system with metal hook and ring; allows attaching\/removing skis without taking off the backpack\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eTop access with YKK® zipper for quick and secure opening\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eSide crampon pocket with direct access\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eInternal compartment for shovel and probe\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eIntegrated partner-towing system\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eSecondary lateral ski-carry system\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eElastic soft-flask holder on shoulder strap (330 ml)\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eMinimalist adjustable waist belt\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003ePadded back panel for enhanced comfort and protection\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eUpper haul loop\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eChest strap with buckle\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eWaist belt with buckle\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eTechnology\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eHigh-resistance 100% polyester fabric with rip-stop structure (145 g\/m²), offering an excellent balance between durability and low weight. The design maintains load stability during dynamic movement, even on fast ascents or technical descents.\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eWeight\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eOne size: 417 grams\u003c\/p\u003e\n\u003c\/div\u003e","brand":"OS2O","offers":[{"title":"Black \/ One size","offer_id":54713158074697,"sku":"SPEEDPACK_SKIMO_18_BLACK","price":129.9,"currency_code":"EUR","in_stock":true},{"title":"Blue \/ One size","offer_id":54713158107465,"sku":"SPEEDPACK_SKIMO_18_BLUE","price":129.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/4062\/0873\/files\/03122025102732.Speedpack_Skimo_Blue_-_front_-_webP.webp?v=1782279581"},{"product_id":"speedpack-alpine-20","title":"Speedpack Alpine 20","description":"\u003cdiv style=\"text-align: center;\"\u003e  \u003cp style=\"font-size: 18px;\"\u003eThe SPEEDPACK ALPINE 20 is a 20-liter technical backpack developed for \u003cem\u003eFAST\u0026amp;LIGHT\u003c\/em\u003e alpinism in alpine terrain. Its balanced design—combining lightness, capacity, and functionality—makes it a versatile tool for fast ascents and technical high-mountain routes.\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eEquipped with a fully removable modular system—ice-axe holders, helmet carrier, and ski straps—it allows the pack to be configured according to the needs of each activity. In its reduced mode, it transforms into an ultralight pack for summit pushes or fast alpinism. The shoulder straps incorporate bottle holders for two 500 ml flasks and large front pockets for immediate access, ideal for storing gloves, bars, or a phone.\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eSide access via a double-slider YKK® zipper allows entry to the interior without opening the top closure, speeding up transitions on technical terrain. It includes a removable waist belt, internal zip pocket with key clip, and compatibility with hydration systems. Designed for those who move fast, efficiently, and lightly in the mountains.\u003c\/p\u003e  \u003cp style=\"font-size: 18px;color: #333;\"\u003e\u003cstrong\u003e\u003cem\u003eFAST\u0026amp;LIGHT\u003c\/em\u003e - 496 g.\u003c\/strong\u003e\u003c\/p\u003e  \u003cdiv\u003e    \u003cimg src=\"https:\/\/os2o.com\/img\/cms\/72ppp\/os2o%20-%20logos%20web%20-%20bn-72.png\" width=\"90\" style=\"vertical-align: middle;\"\u003e    \u003cimg src=\"https:\/\/os2o.com\/img\/cms\/Logos%20140\/logo_speedpack.webp\" width=\"90\" style=\"vertical-align: middle;\"\u003e  \u003c\/div\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eActivity\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eAlpinism, Skimo\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eEquipment\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eFold-Up top closure with double adjustable buckle\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eShoulder straps with bottle holders for two 500 ml flasks and large front pockets\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eFront buckle with integrated emergency whistle\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eSide access with double-slider YKK® zipper for quick entry\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eDual ice-axe holder with fast and secure attachment\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eRemovable helmet-carry system\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eRemovable side straps for additional carrying options\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eElastic side pocket for quick-access items\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eRemovable ski-carry straps\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eRemovable waist belt with dual adjustment\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eHydration-bladder compatible (up to 2 L)\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eInternal YKK® zip pocket with integrated key clip\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003ePadded, breathable back panel\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eLateral compression straps for load stability\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eUpper strap with removable rope-carry hook\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eShoulder-wrap system includes:\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003e2 flask pockets (includes two 500 ml flasks)\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003e2 lower elastic pockets for gels or snacks\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003e2 zip pockets for small items\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eTechnology\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003e300D Ripstop fabric (100% polyester, 168 g\/m²) with tear-resistant structure that balances strength and low weight. Its durability against abrasion from rock and ice makes it ideal for intensive alpine use, while maintaining reduced weight and excellent load stability.\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eWeight\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eOne size: 648 grams with accessories \/ 496 grams in minimal configuration\u003c\/p\u003e\n\u003c\/div\u003e","brand":"OS2O","offers":[{"title":"White \/ One size","offer_id":54713159516489,"sku":"SPEEDPACK_ALPINE_20_WHT","price":139.9,"currency_code":"EUR","in_stock":true},{"title":"Black \/ Blue \/ One size","offer_id":54713159549257,"sku":"SPEEDPACK_ALPINE_20_BLB","price":139.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/4062\/0873\/files\/03122025110005.Speedpack_Alpine_20L_-_White_-_Front_-_web.webp?v=1782279662"},{"product_id":"speedpack-alpine-33","title":"Speedpack Alpine 33","description":"\u003cdiv style=\"text-align: center;\"\u003e  \u003cp style=\"font-size: 18px;\"\u003eThe SPEEDPACK ALPINE 33 is a 33-liter backpack designed for vertical alpinism on long days and technical high-mountain routes. Its optimized construction combines capacity, lightness, and functionality, allowing efficient management of all necessary gear in demanding terrain. The fully removable modular system—ice axe holders, helmet carrier, and ski-carry straps—offers versatility to adapt the pack to long approaches or \u003cem\u003eFAST\u0026amp;LIGHT\u003c\/em\u003e summit pushes.\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eSide access via zipper allows you to reach the main compartment without opening the top lid, speeding up transitions on technical sections. The removable padded hip belt provides additional support when more weight needs to be carried, and the pack includes an internal zip pocket with key clip and compatibility with hydration systems. Conceived for alpinists who seek efficiency, stability, and lightness on vertical terrain.\u003c\/p\u003e  \u003cp style=\"font-size: 18px;color: #333;\"\u003e\u003cstrong\u003e\u003cem\u003eFAST\u0026amp;LIGHT\u003c\/em\u003e - 695 g.\u003c\/strong\u003e\u003c\/p\u003e  \u003cdiv\u003e    \u003cimg src=\"https:\/\/os2o.com\/img\/cms\/72ppp\/os2o%20-%20logos%20web%20-%20bn-72.png\" width=\"90\" style=\"vertical-align: middle;\"\u003e    \u003cimg src=\"https:\/\/os2o.com\/img\/cms\/Logos%20140\/logo_speedpack.webp\" width=\"90\" style=\"vertical-align: middle;\"\u003e  \u003c\/div\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eActivity\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eAlpinism\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eEquipment\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eTop lid with drawcord closure and quick-adjust toggle\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eIntegrated top extension adding up to 10 liters of extra capacity\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eSide access with double-slider YKK® zipper for easy, fast entry\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eIce axe holder with fast and secure attachment\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eRemovable helmet-carry system\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eRemovable side straps for additional carrying options\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eElastic side pocket for quick-access items\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eTop pocket on the lid with zipper\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eRemovable ski-carry straps\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eRemovable padded hip belt with dual adjustment\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eCompatible with hydration bladder (up to 2 L)\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eInternal pocket with YKK® zipper and integrated key clip\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eSmooth-surface padded back panel to improve load stability\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eLateral compression straps to compact the load\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eTop strap with rope-carry hook\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003eErgonomic shoulder straps with accessory attachment points\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eTechnology\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003e300D Ripstop fabric (100% polyester, 168 g\/m²) with a tear-resistant structure that combines mechanical strength and low weight. Its durability against friction with rock and ice makes it suitable for intensive use in alpine activities, maintaining load stability and optimized weight even on long approaches.\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eWeight\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eOne size: 884 grams with accessories \/ 695 grams without accessories\u003c\/p\u003e\n\u003c\/div\u003e","brand":"OS2O","offers":[{"title":"White \/ One size","offer_id":54713159975241,"sku":"SPEEDPACK_ALPINE_33_WHT","price":149.9,"currency_code":"EUR","in_stock":true},{"title":"Black \/ Blue \/ One size","offer_id":54713160008009,"sku":"SPEEDPACK_ALPINE_33_BLB","price":149.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/4062\/0873\/files\/03122025113655.Speedpack_Alpine_33L_-_Black_Blue_-_Front_-_Web.webp?v=1782279745"},{"product_id":"stretchlight-trail-belt","title":"StretchLight Trail Belt","description":"\u003cdiv style=\"text-align: center;\"\u003e  \u003cp style=\"font-size: 18px;\"\u003eLight high capacity trail running belt ideal for short and medium distance races or as an accesory to a vest in long distance ones. Its seamless highly stretchable fabric provides a perfect fit while carrying a mobile device, gels, bars, gloves, poles (front or back), a 500 ml soft flask and a waterproof jacket in a no-rebound compact way.\u003c\/p\u003e  \u003cp style=\"font-size: 18px;color: #333;\"\u003e\u003cstrong\u003e\u003cem\u003eFAST\u0026amp;LIGHT\u003c\/em\u003e - 61 g. (XS)\u003c\/strong\u003e\u003c\/p\u003e  \u003cdiv\u003e    \u003cimg src=\"https:\/\/os2o.com\/img\/cms\/72ppp\/os2o%20-%20logos%20web%20-%20bn-29.png\" width=\"90\" style=\"vertical-align: middle;\"\u003e  \u003c\/div\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eActivity\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eTrail running, mountain skiing\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eEquipment\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003e4 pockets (2 high capacity, 2 sides)\u003c\/p\u003e  \u003cp style=\"font-size: 18px;\"\u003e4 straps for carrying poles\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eTechnology\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eSeamless 85% polyester, 12% elastane and 3% polyamide.\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eWeight\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eSize XS: 61 grams | Size S\/M: 74 grams | Size L\/XL: 80 grams\u003c\/p\u003e  \u003ch2 style=\"font-size: 26px;\"\u003eSize Guide\u003c\/h2\u003e  \u003cp style=\"font-size: 18px;\"\u003eMeasure the waist circumference to choose the correct size.\u003c\/p\u003e  \u003ctable style=\"width: 100%;font-size: 12px;text-align: center;\" border=\"1\"\u003e    \u003cthead\u003e      \u003ctr style=\"background-color: #f4f4f4;\"\u003e        \u003cth\u003eSize\u003c\/th\u003e        \u003cth\u003ecm\u003c\/th\u003e      \u003c\/tr\u003e    \u003c\/thead\u003e    \u003ctbody\u003e      \u003ctr\u003e\n\u003ctd\u003eXS\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 80\u003c\/td\u003e\n\u003c\/tr\u003e      \u003ctr\u003e\n\u003ctd\u003eS\/M\u003c\/td\u003e\n\u003ctd\u003e80 - 93\u003c\/td\u003e\n\u003c\/tr\u003e      \u003ctr\u003e\n\u003ctd\u003eL\/XL\u003c\/td\u003e\n\u003ctd\u003e91 - 105\u003c\/td\u003e\n\u003c\/tr\u003e    \u003c\/tbody\u003e  \u003c\/table\u003e\n\u003c\/div\u003e","brand":"OS2O","offers":[{"title":"Black \/ XS","offer_id":54713174557001,"sku":"SPTRAILBELT_XS_BLK","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Green \/ XS","offer_id":54713174589769,"sku":"SPTRAILBELT_XS_GRE","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Rojo \/ XS","offer_id":54713174622537,"sku":"SPTRAILBELT_XS_RED","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Navy \/ XS","offer_id":54713174655305,"sku":"SPTRAILBELT_XS_NAV","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Caviar \/ XS","offer_id":54713174688073,"sku":"SPTRAILBELT_XS_CAV","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Black \/ S \/ M","offer_id":54713174720841,"sku":"SPTRAILBELT_SM_BLK","price":34.9,"currency_code":"EUR","in_stock":false},{"title":"Green \/ S \/ M","offer_id":54713174753609,"sku":"SPTRAILBELT_SM_GRE","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Rojo \/ S \/ M","offer_id":54713174786377,"sku":"SPTRAILBELT_SM_RED","price":34.9,"currency_code":"EUR","in_stock":false},{"title":"Navy \/ S \/ M","offer_id":54713174819145,"sku":"SPTRAILBELT_SM_NAV","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Caviar \/ S \/ M","offer_id":54713174851913,"sku":"SPTRAILBELT_SM_CAV","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Black \/ L \/ XL","offer_id":54713174884681,"sku":"SPTRAILBELT_LXL_BLK","price":34.9,"currency_code":"EUR","in_stock":false},{"title":"Green \/ L \/ XL","offer_id":54713174917449,"sku":"SPTRAILBELT_LXL_GRE","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Rojo \/ L \/ XL","offer_id":54713174950217,"sku":"SPTRAILBELT_LXL_RED","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Navy \/ L \/ XL","offer_id":54713174982985,"sku":"SPTRAILBELT_LXL_NAV","price":34.9,"currency_code":"EUR","in_stock":true},{"title":"Caviar \/ L \/ XL","offer_id":54713175015753,"sku":"SPTRAILBELT_LXL_CAV","price":34.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/4062\/0873\/files\/06052026113333.Stretchlight-Trail-Belt-Azul-Oscuro-Front-Alt.webp?v=1782281113"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/4062\/0873\/collections\/Copia_de_Grid_Spell_Pants_Men_Axis_Long_Aura_Spell__Stretchlight_Belt_Azul2_copia.webp?v=1782298511","url":"https:\/\/global.os2o.com\/collections\/backpacks-and-running-belts.oembed","provider":"OS2O FAST\u0026LIGHT","version":"1.0","type":"link"}