Exos Pro Backpacking Pack 55L - Men's

Nearly a pound lighter than the Exos 58 and featuring a more fine-tuned adjustment system, the 55-liter Exos Pro is the most comfortable ultralight thru-hike backpack in its weight class. A highly-ventilated AirSpeed™ backpanel supports light loads with ease while maintaining maximum airflow across your back, making it an ideal pack for your most long-distance endeavors on the Appalachian Trail, Pacific Crest Trail and beyond.

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 9L and weight by 80g
• 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
• AirSpeed™ suspension: A tensioned mesh backpanel keeps the weight off your back, enabling highly ventilated carrying comfort
• Volume flexibility: Compression straps and removable lid allow for functional capacity adjustment
• Ultralight design: Lightweight fabrics deliver durable performance
• Removable lid: Sheds 74g/2.6oz. when the top lid is removed. An integrated FlapJacket secures the main compartment opening, providing weather protection and load stability when the lid isn't used
• Ultralight AirSpeed™ suspension: Lightweight injection-molded ladder provides 4" of torso adjustability, Two-sizes-per-gender design ensures perfect fit and allows for quick, easy adjustment, 3.5mm 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, 15mm 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

Materials
• Main/Bottom: NanoFly™-100D Nylonx200D UHMWPE ripstop, DWR treatments made without PFAS

Specifications
• Load range: 10-30lbs/5-18kg
S/M
• Volume: 3356in³/55L
• Dimensions(HxWxD): 28.35x14.96x12.2in/72x38x31cm
• Weight: 2.077lbs/0.94kg
L/XL
• Volume: 3539in³/58L
• Dimensions(HxWxD): 30.31x14.96x12.2in/77x38x31cm
• Weight: 2.165lbs/0.98kg