Shop thermal online from a great selection of tops, bottoms, sets, and more available at low prices. U.S. Polo Assn. is an American clothing and fashion apparel brand that manufactures t-shirts, shirts, dresses, beachwear, handbags, and much more for women, kids, and men. We carry a wide variety of Thermal colors for you to choose from. Select and buy your favorite one and upgrade your wardrobe.