Only available in store! For committing thru-hikes where every gram counts, the 55-liter Eja Pro provides the most comfortable carry in its weight class. Shedding nearly a full pound off from the Eja 58, the Pro features a more fine-tuned adjustment system for its ventilated AirSpeed(TM) suspension system with anatomical women&';s fit. Comfort, without weighing you down. Features Removable, floating single compartment top lid with key clip Four webbing lash points on top lid FlapJacket secures main compartment access and provides weather protection when lid isn&';t used. Removing top lid reduces carry capacity by 9 L and weight by 80 g Internal hydration sleeve with center back hose port and Osprey Hydraclip for easier reservoir hanging Internal compression strap keeps loads stable Large front fabric compression pocket with stretch side panels accommodates overloads Multiple front panel lash points for securing extra gear Lower side compression straps designed to capture sleeping pad on front panel Deep, dual access stretch mesh side pockets Dual ice axe loops with handle capture by upper compression straps Carry Information ULTRALIGHT AIRSPEED(TM) SUSPENSION: Lightweight injection-molded ladder provides 4" of torso adjustability, Two-sizes-per-gender design ensures perfect fit and allows for quick, easy adjustment, 3.5 mm powder-coated LightWire frame balances support and dynamic flex BACKPANEL: 3D-tensioned breathable mesh backpanel ensures supportive fit, Silicone print on lumbar fabric enhances hipbelt grip EXOFORM HARNESS: Shoulder straps combine reverse spacer mesh, die cut EVA foam and a unique structured 3D mesh to deliver excellent support and ventilation, Ventilated mesh yoke evenly distributes load for comfort while maintaining breathability, 15 mm adjustable slide sternum strap with rescue whistle EXOFORM HIPBELT EVA: foam padded hipbelt offers dynamic stretch for a secure, dynamic fit, Zippered pocket provides secure storage