Seamless 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. This loose-fit running shirt with moderately stretchy fabric shapes retention over time. Mesh knit panel keeps breathable and cool. Feature & Fitting: Seamless Collection Design for running or training Basic round neck Back mesh knit panel Fabric: Fast sweat-wicking keeps you dry Minimal seams to reduce chafe Four-way stretch, good elasticity, no sense of restraint 100% Polyamide; 65% Polyamide, 35% Polyester