Osprey Syncro 15 Hydration Pack J-zip gives access to a front panel organizational compartment featuring mesh pockets for tubes and tools, a pump holder, and key clip A zippered top slash pocket lined with scratch free, heat embossed fabric proves ideal storage for optics and electronic devices Upper dual side compression straps with a quick release buckle aid in compressing and stabilizing loads for optimal carry The integrated, removable high visibility raincover provides pack protection in adverse conditions Osprey's LidLock easily and securely carries bicycle helmets