Trekking rucksack suitable for unisex colour blue style sporty capacity 45 litres maximum volume 55 weight 2 kg features chest strap hip strap padded back raincover emergency whistle waterproof zips internal pockets inside zip compartment mesh pocket valuables pocket outside pockets base compartment lid pocket side pocket additional fastenings gear attachment points straps padded hip belt ergonomic shoulder straps padded shoulder strap compression str