Member Exclusive Become a member to unlock this story and receive other great benefits. Join Already a member? Sign In Video loading... Gear Videos Behind the Gear: Mountainsmith Zerk 40 April 28, 2020 Wild Acorns Media Share this Facebook Icon Twitter Icon Email Icon Join Backpacker Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Join Backpacker Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In