Laptop backpack daypack suitable for mens colours green black style casual capacity 31 litres weight 105 kg height 50 cm width 34 cm depth 19 cm size of laptop pocket 42 x 26 5 x 4 cm dimensions of tablet compartment 26 5 x 21 5 cm features chest strap hip strap water bottle pocket hydration compatible internal pockets glasses pocket padded laptop compartment tablet compartment outside pockets side pocket additional fastenings snowboard holder