Lightweight Alpine pack built to adapt to a multitude of alpine scenarios. Durable lightweight materials are balanced with essential, adaptable features to allow the wearer to use this simple pack for a wide range of activities. RAPTOR Grid 100D 88% Nylon (recycled) 12% Polyethylene, UHMWPE (Ultra High Molecular Weight Polyethylene) ripstop yarn is 15 times stronger than the same weight of steel. Allows for an incredibly light weight fabric with the security of exceptional rip-stop strength.Montane Valen 40+5L Features: Roll top closure for expandable secure loading and storage with top compression strap Internal expandable bivi for 5L additional volume External zipped pocket for easy access to essential items Equipment ready with ice axe, rope and gear attachment points Glove compatible buckles and components Side compression straps Continuous webbing constructed to provide 360-degree compression and load carry stability Snow shedding back panel, harness and padded hip belt Moulded body formed back panel with pre-shaped aluminium stave for a close, secure carry and excellent stability during dynamic activities Additional zipped pocket can be attached to the hip belt or internal daisy chain