Sustainability: Constructed with recycled materials Storage: Capacity: 45 L Stretch mesh pockets on sides Oversized stretch mesh pocket in front with buckle closure Oversized hip belt pockets with zip closure Design & Details: Polygiene(R) Stays Fresh Technology for consistent odor control on mesh back panel FreeFloat dynamic Comfort Cradle lower back system for optimal comfort Ultralight FreeFloat suspension with panels that move with your body for natural feel SpeedClip hydration hanger that features compatibility with Gregory(R) 3D Hydro Reservoirs (sold separately) Removable top pocket zippered compartment and underside pocket Aluminum frame with fiberglass anti-barreling cross-stay to help manage the load Reflective attachment points and lower loop for increased visibility Upper shock lock for trekking poles or ice axe Toggles in interior to connect to Nano 14 daypack (not included) Drawcord closure with web compression on top Weather flap (stows on underside of top lid) Compression on bottom and sides to help stabilize gear Convenient key clip