Tri-Mountain UltraCool Moisture Wicking Polo Shirt w/Pocket - K158P 100% Polyester 100% polyester, 5.5 Oz. 5 Colors, S to 4XLT Short sleeve UltraCool Moisture wicking technology Three-button placket Mesh side panels Open cuffs, Pocket polo Half-moon yoke back Square bottom with side vents Vigor Pocket Tri-mountain performance