Cycling backpack suitable for unisex colour blue style sporty capacity 18 litres weight 103 kg height 45 cm width 27 cm depth 18 cm features hydration compatible raincover reflective elements chest strap hip strap padded back internal pockets card pocket outside pockets front pocket mesh side pockets additional fastenings helmet holder safety light loop straps ergonomic shoulder straps compression straps bag feature suitable as cabin luggage ia