Osprey Siskin 12L Biking Backpack with Hydraulics Reservoir, in Postal Blue.

With a little more room and a focused feature set, the Siskin 12-liter is a well-balance performance mountain biking pack for adventurous days on the trail. Coming with a next-gen 2.5-liter reservoir, it also has a generous main compartment with plenty of room for your spare tubes, multi-tool, trail pump, extra lightweight layers and more. 

• Reservoir Included - Comes with an Osprey Hydraulics LT 2.5 L reservoir with direct zip access and sternum strap magnetic bite valve attachment. Hydraulics Quick Connect sold separately
• Ride Stability - A rolled, soft-edged harness creates a comfortable and stable carry
• Helmet Carry - Offers traditional LidLock helmet carry or full face helmet carry with the compression straps
• Bike-Focused Features - Just the right volume for any ride, providing tool organization, helmet carry and a full U-zip main compartment opening
• Zippered hipbelt pockets
• Item Dimensions: 18.5H x 9.1W x 8.7D in; Item Weight: 1.92lb

Photos of actual item, brand new with labels. No returns accepted. Osprey lifetime guarantee directly with manufacturer. Color: Postal Blue.