Travel backpack suitable for unisex colours black grey capacity 40 litres weight 144 kg height 54 cm width 35 cm depth 37 cm max laptop size 154 inch size of laptop pocket 36 x 29 x 3 5 cm features key holder organiser chest strap hip strap padded back internal pockets mp3 player pocket padded laptop compartment mobile phone pocket glasses pocket straps ergonomic shoulder straps tuck away harness compression straps main compartment feature flip