Men's Team HeatGear Longsleeve T-Shirt Tops by Under Armour Lightweight micro-pique fabric with a generous loose fit. Anti-pick and anti-pill ensures your T will stand up to the toughest workouts. Anti-Odor Technology prevents the growth of odor causing microbes. Raglan sleeve construction allows for total mobility and a full range of motion, while eliminating shoulder seam abrasion points. 100% Polyester.