Hiking backpack suitable for mens colour blue style sporty capacity 31 litres weight 085 kg height 57 cm width 30 cm depth 29 cm features hydration compatible chest strap hip strap padded back key holder internal pockets card pocket outside pockets front pocket side pocket lid pocket additional fastenings walking pole holder ice axe holder safety light loop straps ergonomic shoulder straps padded shoulder strap padded hip belt compression strap