You can buy a wide range of thermals like thermal tops, thermal underwear, thermal pants, etc., at low prices. U.S. Polo Assn.. was launched in 1890 and, today, the brand sells internationally in countries like India, UK, France, and many others. Overall, U.S. Polo Assn. sells its products in 135 countries internationally. Gray is the color of intellect, wisdom, and knowledge.