Alpine backpack suitable for mens colour blue style sporty capacity 42 litres maximum volume 50 weight 147 kg height 70 cm width 33 cm depth 28 cm features chest strap hip strap hydration compatible emergency whistle padded back internal pockets inside zip compartment card pocket outside pockets mesh side pockets lid pocket additional fastenings walking pole holder ice axe holder gear attachment points straps ergonomic shoulder straps padded s