FABRIC Scale and S.L.F. (Strong Light Fabric) Reinforcements in rip- and scratchproof DuPontTM Hypalon® CARRYING SYSTEM Removable polyethylene back support panel that can be used as a splint in emergencies Super-breathable back in A.C.T. (Air Convector Tech) mesh fabric Removable shapeable aluminium bar Padded ergonomic shoulder straps in mesh fabric with load lifter Removable padded and shaped waist belt in breathable mesh fabric Sliding chest strap on reflector tape POCKETS Removable collapsible front pocket for helmet/crampons Side pockets Double top lid pocket - Internal mesh safety pocket ACCESSORIes Pull-out waterproof backpack cover inserted into the bottom Compatible with H2 BAG hydration control system Waterproof zip Pull-out waterproof lining with double protective closure Side compression straps Removable strap for fastening snowboard/snowshoes Ski holder Inside key-ring hook Fasteners with fluorescent cords Two collapsible ice-axe holders reinforced in DuPontTM Hypalon® for easy ice-axe access while wearing the backpack Gear holder loops inside backpack body.