Cycle specific backpack with Luminite LED light unit (included), Padded back system promoting airflow & ventilation, Chest & hip straps with zipped mesh pockets, Unique single-handed chest strap for attaching/detaching on the move, Integrated detachable rain cover, Multiple pockets throughout including organizers fleece lined pockets for valuables, Compression straps; Neoprene helmet holder, Compatible with a 3L hydration system with dedicated bladder compartment, Mesh Side Pockets; Soft touch lined media/phone pocket, Dimensions: H46cm x W27cm x D14cm (Volume approx. 18 l),