Perfect for basketball, football, baseball, icy hocky, running, cycling, hiking and other activities. Anti-odor technology prevents the growth of odor, keep you stay comfortable and focus. Extremly Simple Design -using less seams reduce irritation from chafing in activities. Availalbe for All-Season: help to keep warm in cool conditions, while wicks moisture with a cooling effect in warm days. These compression shirts use 4-Way-Stretch fabric, provides a moisture wicking base layer to help you feel locked in, reduce risk of injury in sports. Pull On closure. Imported. 90% Polyester, 10% Spandex.