Osprey Zealot 15 Hydration Pack Osprey's LidLock easily and securely carries bicycle helmets The blinker light attachment strap found near the base of the front panel of the pack allows for quick light attachment A zippered slash pocket lined with scratch free, heat embossed fabric provides ideal storage for optics and electronic devices A front panel shove-it pocket is designed to carry essential biking gear A zippered bottom compartment features a removable roll-out tool pouch providing tool organization and a clean work surface for on the trail repairs