Ergon's mid sized Mountain Bike pack. The innovative 'Adaptive Carrier System' holds the load close to the body, and stable. Self correcting shoulder straps available in Regular and Large sizes. 4 position back adjustment allows every rider to find the perfect fit and comfort. The pack has a capacity of 10 liters (expandable to 11.5 liters using the zippered expansion facility) and features a main compartments, bladder compartment, rain cover, hip belt pockets and organization compartments.