Seamless Thumbhole Long SleeveSeamless collection of smooth, soft knit fabric is designed to help reduce chafing, encourage ventilation and wick away sweat to help you stay dry. Designed for running and training, gives you a better workout. Breathable mesh is placed in high sweat areas to keep you cool and ventilated during your workouts. Proper length to the waist, the sweatshirt features thumbholes and a fitted fit for comfortable movement. Feature & Fitting: Seamless collection