Axiom 30 Backpack by Black Diamond LEFTnotruc(Patent-pending reACTIV suspension with Open-Air back panel,500) Top-loading roll-top closure with removable top pocket for quick and clean volume adjustment Soft, breathable 3D mesh on hip belt and shoulder straps Dual hip belt stash pockets, side stretch pockets and front compression stretch pocket Trekking pole/ice axe loops, hydration compatible