With aspirations of backcountry cragging and skiing, the REI Pinnacle 40 backpack handles multiple activities and a mass of gear. Along with the HDPE high-density polyethylene framesheet, 2 aluminum stays provide support all can be removed to reduce pack weight. Fixed suspension system offers low weight and low complexity. Floating top lid pocket lets pack hold more gear, and detaches so you can stash some essentials to bring into tent or lower pack weight on ascent. 2 loading options: top-loading and side zippered access give multiple points of access to contents. Curved, padded shoulder straps with sternum strap and load-lifter straps, and the precurved padded hipbelt distribute pack weight evenly. Twin ice axe holsters feature spike sleeves that are designed to allow you to release tools without removing pack. Dual daisy chains and lash points give you the option to strap on bulky gear like snowshoes and crampons. Over-the-top compression strap helps pull the load in closer to your back and provides an attachment point for bulky items such as climbing ropes. Dedicated ski slots combined with side compression straps let you strap on skis in A-frame style. Hydration-compatible design features a reservoir pocket, and two drink tube exit ports for on-the-go hydration reservoir sold separately. Zippered pocket on waistbelt is a handy place for frequently accessed items such as lip balm or snacks other side has a tool loop. Constructed of 630-denier nylon oxford, offering high abrasion resistance with low weight polyurethane coating for weather resistance.