Laptop backpack daypack suitable for unisex colours black grey style sporty capacity 29 litres weight 1 kg height 51 cm width 28 cm depth 21 cm max laptop size 15 inch features chest strap padded back internal pockets mp3 player pocket padded laptop compartment mobile phone pocket outside pockets front pocket side pocket additional fastenings skateboard holder straps ergonomic shoulder straps bag feature suitable as cabin luggage iata norm