Laptop backpack daypack suitable for unisex colour black style sporty capacity 20 litres weight 054 kg height 46 cm width 24 cm depth 22 cm max laptop size 154 inch features hydration compatible chest strap emergency whistle key holder hip strap padded back water bottle pocket organiser internal pockets padded laptop compartment tablet compartment document sleeve inside pocket mesh pocket outside pockets front pocket mesh side pockets zip pock