mont-bell VERSALITE PACK 20 This ultra-lightweight backpack is suitable for speed hiking, attack packs, and other uses. It features a pocketable design where the top lid becomes a stuff sack. A separately sold trail water pack can be attached for smooth hydration. 【Material】30-denier Ballistic® nylon ripstop [urethane coating] Bottom: 100-denier nylon ripstop [urethane coating] 【Weight】220g 【Storage Size】18cm (H) x 20cm (W) (when pocketable) 【Capacity】20L (51cm (H) x 25cm (W) x 17cm (D)) 【Back Length】46cm 【Features】Pocketable, chest support, ice axe loop, side pockets, waist belt holder, trail water pack compatible A "trail water pack," a soft-type bottle with a tube for hydration, can be attached, allowing you to hydrate without taking off your pack. The "Versalite Pack" series achieves a comfortable carrying experience while remaining lightweight. The top lid can be stored inside the main body, making it pocketable. 【Storage Size】 20L: 18cm (H) x 20cm (W) Color: Black