When you want to let it rip on flowy singletrack, this technical tee will push the pace with sweat-wicking superpowers. Designed specifically for fast and light running with ultra-breathable mesh under the arms and on the back, the Norvan regulates your temp without extra bulk or distraction. Built to wear under a run vest, so there’s no pack chafe to slow you down. What's been updated: Updated with lighter-weight polyester jersey and mesh, fitted fit to reduce chafing with running vest, and strategic knit placement for optimal breathability and coverage. Another style available is the Norvan Crew Shirt LS .