Laptop backpack daypack suitable for mens colour blue style sporty capacity 20 litres weight 08 kg height 53 cm width 37 cm depth 11 cm size of laptop pocket 37 x 25 x 4 cm features padded back chest strap key holder internal pockets inside zip compartment laptop pocket mesh pocket outside pockets front pocket straps ergonomic shoulder straps padded shoulder strap main compartment feature fits a4 size bag feature suitable as cabin luggage iat