Smooth, soft anti-pick, anti-pill fabric has a textured snag-free finish. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. UPF 30 protects your skin from the sun''s harmful rays. Durable rib-knit collar. Performance fit. Heat seal front chest logo & wordmark on center of back.