The Under Armour Team Colorblock Polo is made from Lightweight 4-Way Stretch fabrication that dries faster and improves range of motion. Lightweight Full, loose fit provides great range of motion Rib knit collar HeatGear keeps you cool, dry and light Advanced Moisture Transport System keeps you comfortable, cool, and dry Anti-Odor technology keeps you fresher for longer UPF 30+ protects skin from harmful sun rays Polyester/Elastane