Cuddl Duds products is based in Chicago, Il by O'Bryan Brothers, Inc. O'Bryan Brothers, Inc. began business in 1921. Cuddl Duds was introduced in 1978 and created a new category "warm wear". Cuddl Duds are made with fabrics that are soft, provide a warmth to your body on those cold days, and are very comfortable to wear. Cuddle Duds are available for warm underwear, thermal underwear, camisoles and daywear. The apparel are lightweight and moves with you so you don't notice you are wearing them. Cuddl Duds developed and patented the first cami/bra to feature a built-in molded cup underwire bra. Check out these popular items: Cuddl Duds Ladies Microwear V-Neck Camisole; Cuddl Duds Ladies Climatesmart Long John Pant; Cuddl Duds Ladies ''Thermalwear'' Crew Neck Long Sleeve Top; Cuddl Duds Ladies ''Microwear'' Microfiber V-Neck Long Sleeve Top.