Women's Mystery Ranch Radix 31 Backpack 88856420892 The RADIX 31 was designed knowing a little less weight can make your mountain mission a whole lot better. Crafted from lightweight Ultra-PE Birdseye and durable, recycled Robic Ripstop fabric, this pack takes the edge off those grueling ascents without sacrificing toughness. An array of adjustable features, like a removable frame, and plenty of external pockets helps you master the game of cubic inches. And the option of women's or men's harnessing provides a natural and comfortable fit.   Features Men's and women's harnessing options for a superior ergonomic fit with your body Removable 7000 Series, aerospace aluminum frame offers just the right load-bearing support for what your mountain mission requires Hydration reservoir compatible Removable and repairable compression web and repairable trim means that this pack won't be wearing out anytime soon Technical Ultra-PE Birdseye Off-center zipper for more convenient accessibility Recycled 100D Robic Ripstop Removable pocketed waistbelts keep your essentials close at hand on the trail YKK® ZIPPERS Adjustable lightweight harnessing makes your hike that much more comfortable  Easily compressible front and side pockets are perfect for holding light layers, water bottles, and/or things you need to get to or stash away quickly Women's Mystery Ranch Radix 31 Backpack