Maxit Thermal Bodysuit with Stirrup MSRP $160....ProMAX IV (92% polyproylene and 8% Lycra spandex) Made in USA The Ultimate Base-Layer for cold weather conditions; provides maximum warmth without bulk. Feels as soft as cotton with lots of stretch for a non-restrictive fit and a full range of motion for any activity. Insulates better and dries faster than fabrics made from polyester, wool, or any other performance fiber. Stay warmer without overheating and more comfortable in the widest range of temperatures. Breathable, hypo-allergenic and very easy-care. Made in the USA!