The main function of a sauna suit is to aid in weight loss. The biggest problem is finding a sauna suit the will hold up to intense workouts. The Pro Ultimate sauna suit is made of a Heavy Duty Nylon construction with a thick and heavy rubber liner. This sauna suit will hold up to wrestling workouts, as well as, intense cardio programs. # Heavy Duty Nylon Construction # Heavy Duty Rubber Lining # Hand Stitching makes for the strongest sauna suit on the market! # Excellent Heavy Duty All Purpose Sauna Suit!