The Men's Teton Flannel Shirt by Mountain Khakis is the perfect piece for exploring some of the nation's greatest treasures. You'll look right at home for one thing, and its soft cotton helps you relax after a long day of swimming in Jenny Lake, rafting the Snake, or summiting the Grand. The Men's Mountain Khakis Teton Flannel Shirt is the perfect shirt for casual Fridays, the lazy weekend, or really any day you're looking for the comfort of a Flannel.