Under Armour Boys' Matchplay Polo (Blade) Youth Small 100% polyester LOOSE FIT: Full, loose fit for enhanced range of motion & breathable comfort no matter where your workout takes you. Soft anti-pick, anti-pill fabric has a cleaner, snag-free finish Smooth, soft anti-pick, anti-pill fabric has a cleaner, snag-free finish 50+UPFprotects your skin from the sun's harmful rays Moisture Transport System wicks sweat away from the body