Reimagine bold day hikes and minimalist overnighters The latest generation of the COULEE 40 has been reimagined with bold day hikes and minimalist overnighters in mind. For those motivated more by having authentic encounters with nature than living in the lap of luxury, this hiking backpack&&';;s organization-forward design offers just the right amount of room for essential gear - including a sleeping bag compartment. It stows everything in a tall, sleek body that&&';;s harnessed with a micro-adjustable yoke to keep weight comfortably distributed even after you&&';;ve hiked deep into the double-digit miles. The COULEE 40 lets you live your outdoor life to the fullest without compromising on quality. You can trek with confidence knowing your backpack is made from 100% recycled nylon that&&';;s tough enough to withstand season after season of use. Features 3-ZIP access allows for easy, rapid access to the interior Lightweight Trail yoke that micro-adjusts to the torso length Removable pocketed waistbelt Cushioned lumbar support for optimal comfort Front and side stretch-woven pockets on exterior for quick access to water bottle and for stashing extra layers Sleeping bag compartment with U-Shaped opening for easy stow and accessibility Hydration reservoir-compatible Top zippered lid compartment for storing small essentials, phone, or camera Attach loops inside on the body panel for the MYSTERY RANCH QUICK ATTACH VOID BAGS or other accessory carry Dual adjustable tool attach Side compression for load stabilization and lash-on options Materials 100% recycled nylon 210D Robic dobby YKKA(R) zippers with DWR finish for added water protection Double-layer bottom for improved durability Specs USMetric Weight 3.8 lb Volume 2320 cu-ins How is volume calculated? Dimensions 26"x11.25"x9.5" How are dimensions calculated? Harnessing Style Framed