The McDavid(TM) Waist Trimmer adds a great combination of back support and compression therapy to your weight loss routine. Wear this latex-free, one size fits most waist trimmer during your cardio workouts for enhanced support and compression of the lower back and abdominal muscles. The McDavid(TM) waist trimmer provides great performance through thermal and compression therapy with soft tissue support. FEATURES: McDavid's(TM) Level 1 protection for Primary Protection Helps relieve minor back pain May enhance weight loss efforts with therapeutic heat Cushions, compresses and supports lower back and abdominal muscles Neoprene construction offers thermal and compression therapy with soft tissue support Features adjustable hook-and-loop closure for secure, custom fit Non-slip neoprene inner layer Latex-free design One size fits most Style: 491R