When you&';re riding, you don&';t want to think about your pack-and the medium-volume Syncro 12&';s streamlined profile ensures that you won&';t. With an included updated Hydraulics LT 2.5-liter reservoir, ventilated AirSpeed(TM) suspension and included raincover, this bike pack is the perfect option for longer rides in desert heat or humid climates, with space enough for additional on-bike essentials like tubes, first aid, and more. KEY ATTRIBUTES: RESERVOIR INCLUDED Comes with an Osprey Hydraulics(TM) LT 2.5 L reservoir and sternum strap magnetic bite valve attachment. AIRSPEED(TM) SUSPENSION A tensioned mesh backpanel provides the ultimate ventilated carry. RIDE STABILITY A bike-specific winged shoulder harness creates comfort and stability. RAINCOVER INCLUDED Because rain or shine, there&';s no excuse to not get a ride in. Stores in a zippered pocket at the base of the pack and made with bluesignA(R) approved fabrics and DWR treatments made without PFAS. FEATURES: a Front stretch mesh pocket a Scratch-free heat-embossed zippered slash pocket a LidLock helmet carry a Blinker light attachment a Integrated removable high-visibility raincover a Magnetic sternum strap for quick access to reservoir bite valve a Zippered tool organization pocket a Dedicated reservoir compartment with Hydraulics a LT 2.5 L reservoir included a Dual stretch mesh side pockets a Dual upper and lower side compression straps