Built to withstand the rigors of the ride, the Osprey Momentum 30 is a panel loading, technical daily commute pack with 22 liters of storage space and practical solutions for the bike commuter lifestyle. AirScape backpanel is lightweight and supportive mesh covered ridge foam provides excellent ventilation and comfort. Large main compartment has an internal document sleeve and mesh organization pockets to keep your stuff easy to find. Zippered side pockets keep snacks, keys, or other small items within reach front panel stretch pocket secures a U lock. LidLock helmet attachment keeps your helmet secure. Built in high visibility rain cover fits snugly around your pack to protect against wet weather. Blinky light attachment loop and reflective detail on front panel provides lowlight visibility.