Laptop backpack daypack suitable for unisex colour black style sporty capacity 28 litres weight 068 kg height 53 cm width 33 cm depth 27 cm max laptop size 15 inch features emergency whistle chest strap padded back key holder water bottle pocket internal pockets padded laptop compartment glasses pocket mp3 player pocket outside pockets side pocket front pocket straps padded shoulder strap ergonomic shoulder straps compression straps main compa