Cycling backpack suitable for unisex colour black style sporty capacity 23 litres weight 096 kg height 50 cm width 31 cm depth 27 cm features emergency whistle raincover reflective elements key holder hydration compatible chest strap internal pockets glasses pocket mobile phone pocket mp3 player pocket valuables pocket outside pockets front pocket additional fastenings helmet holder safety light loop straps padded hip belt ergonomic shoulder stra