Laptop backpack daypack suitable for mens colour grey style sporty capacity 28 litres weight 093 kg height 48 cm width 28 cm depth 28 cm max laptop size 154 inch size of laptop pocket 43 x 27 x 5 cm features emergency whistle reflective elements organiser key holder hydration compatible pen holder chest strap hip strap water bottle pocket padded back internal pockets padded laptop compartment tablet compartment glasses pocket mobile phone pock