Under Armour Action Sports Chart All Under Armour® Apparel features a tagless design or tear-away tag with no left-over pieces. Get the perfect blend of comfort and a sophisticated style wearing Under Armour® Kids Performance Polo Shirt. Regular fit. Pull-on style. Classic polo collar. Quarter-button closure. Brand logo on left chest. Short sleeves. Straight hemline. 100% polyester. Machine washable. Imported. View Zappos.com Glossary of Terms Under Armour Kids Performance Polo (Big Kids)