Cycling backpack alpine backpack suitable for unisex colour green style sporty capacity 40 litres maximum volume 40 weight 19 kg height 57 cm width 33 cm depth 30 cm features hip strap chest strap emergency whistle internal pockets glasses pocket inside pocket additional fastenings gear attachment points straps ergonomic shoulder straps padded shoulder strap padded hip belt compression straps main compartment feature flip open main compartment