Laptop backpack daypack suitable for mens colours blue purple style casual capacity 23 litres weight 06 kg height 51 cm width 32 cm depth 20 cm max laptop size 15 inch features chest strap water bottle pocket padded back internal pockets padded laptop compartment outside pockets front pocket additional fastenings gear attachment points straps ergonomic shoulder straps main compartment feature fits a4 folder bag feature suitable as cabin lugg