Laptop backpack daypack suitable for mens colours blue grey style casual capacity 33 litres weight 08 kg height 51 cm width 33 cm depth 23 cm max laptop size 15 inch size of laptop pocket 38 x 28 x 4 cm features hydration compatible pen holder organiser chest strap water bottle pocket padded back internal pockets mp3 player pocket padded laptop compartment mobile phone pocket glasses pocket insulated cooler pocket valuables pocket outside pock