Laptop backpack daypack suitable for mens colour blue style casual capacity 25 litres weight 07 kg height 48 cm width 30 cm depth 19 cm max laptop size 15 inch size of laptop pocket 30 x 27 x 3 5 cm features hydration compatible organiser chest strap hip strap water bottle pocket padded back internal pockets mp3 player pocket padded laptop compartment snow tool pocket glasses pocket outside pockets front pocket side pocket additional fastenin