Zerk 40 Backpack Color:BLACK office or a weekend out

office or a weekend out of town

Its lightweight design brings the latest safety innovations including Mips® and Zonal KOROYD® for enhanced energy absorption in the event of a crash

pocket bags have drain-and-dry mesh corners

Individually inflated and tested at our factory ensuring 100% quality performance

From treks in Thailand to the toughest stretches of Baja

Zerk 40 Backpack Color:BLACK office or a weekend outCo designed with Former Marine and renowned thru hiker The Real Hiking Viking, Mountainsmith's updated ZERK 40 pack stands alone as the ideal combination of lightweight durability, comfort, and accessibility. New updated version includes added daisy chain attachment points, dual ice axe loops, dual side compression straps, and embroidered design. PRODUCT FEATURES: Roll top closure with side compression SR buckles. Opposing SR buckles for self closing