Mystery Ranch Coulee 40 Color:Mineral Gray Ergo Pull closure provides leverage

Ergo Pull closure provides leverage to ensure snug fit and optimal load transfer

open-ear construction to hear both your own audio and every sound around you with crystal clarity

you're never running on empty

Use the Surfline Sessions™ app on your compatible smartphone with your paired Descent Mk2S dive computer to create a video of every wave you ride in front of your Surfline® camera

Hardened thru-bolt assembly

Mystery Ranch Coulee 40 Color:Mineral Gray Ergo Pull closure provides leverageFor those motivated by authentic encounters with nature, the COULEE 40 offers just the right amount of space for 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 backpacks organization forward design offers just the right amount