Alpine backpack suitable for mens style sporty capacity 50 litres maximum volume 57 weight 164 kg height 62 cm width 33 cm depth 27 cm features hydration compatible chest strap hip strap padded back bag feature expandable volume material synthetic fiber materialspezifikationen 420 d tritan ripstop nylon 840 ballistic nylon inner material synthetic fibre material properties water repellent material series mammut trion lockable no wheels non