5.29 oz., 100% polyester; UA tech™ fabric is quick-drying, ultra-soft and has a more natural feel; Moisture Transport System wicks sweat away and dries fast; anti-odor technology prevents the growth of odor causing microbes; Updated UA Tech fabric has a softer, more natural feel for incredible all-day comfort; Lightweight stretch construction improved mobility for full range of motion;performance loose fit; UA logo on left bicep and back neck;