Laptop backpack daypack suitable for unisex colour green style sporty capacity 29 litres weight 06 kg height 50 cm width 30 cm depth 19 cm features organiser headphone access chest strap water bottle pocket padded back internal pockets mp3 player pocket laptop pocket glasses pocket outside pockets front pocket side pocket additional fastenings skateboard holder straps ergonomic shoulder straps bag feature suitable as cabin luggage iata norm