Features Force Extremes: Our fastest-drying, sweat-wicking gear built for all-day comfort 37.5® technology fibers maintain your body s ideal temperature while attracting & releasing sweat Fast Dry® with 37.5® Technology makes this our fastest-drying gear Built to move with Rugged Flex® stretch technology Fights odors: Traps & releases them in the wash Carhartt label on chest Tagless neck label & flatlock seams for a smooth feel