Deuter Flyt 12 SL has been developed for ambitious mountain bikers looking for a lightweight, comfortable bike pack with maximum protection. The innovative Deuter Airstripes backsystem allows free air circulation over 80 % of the riders back, while still providing a secure, compact fit even on rough rides. Its ergonomic adjustable shoulder straps, and hip fin Pull-Forward automatic side compression system provide perfect load transfer. In order to fulfill its specific challenges, the rucksack has stabiliser straps and adjustable sternum straps to manage carrying comfort and durability. The bike pack also provides full-face helmet attachment via side compression straps, and helmet holder clips for open-face helmet. It also features two stretch side pockets, smartphone side pocket, front pocket with pump sleeve, organiser section for tools and zipped mesh pocket for spare inner tube, and last not least hip fin zipped pockets. In addition, there is detachable rain cover, glasses stow system and SOS label. The rucksack is hydration system compatible. Reflective details allow improved visibility. As for Deuter SL type product, it fits primarily female anatomy. Carrying systems are shorter than men´s and shoulder straps become slimmer towards ends. Hip belt perfectly hug the female anatomy.