McDavid Waist Trimmer Belt Neoprene Fat Burning Sauna Waist Trainer - Promotes Healthy Sweat, Weight Loss, Lower Back Posture (Includes 1 Belt) MAKES YOUR WEIGHT LOSS MORE EFFICIENT - Start seeing drastic changes in your entire midsection, therapeutic heat tech removes excess water weight and increases muscle productivity IMPROVE POSTURE WHILE YOU WORKOUT - Posture corrector provides support the lower back and abdominal muscles, building a strong core that offers better balance and posture BREATHABLE & LIGHTWEIGHT - 100% high quality latex-free neoprene for thermal therapy & soft tissue support with non-slip inner layer to prevent slipping during exercise PREVENTS AND RELIEVES - Cushions, compresses, and therapeutically heats sore muscles to increase muscle stability and rapid recovery, ideal for exercise or everyday support ADJUSTABLE - Our waist trimmer fits you throughout your weightloss and work out journey; adjustable velcro strap fits up to 40 inches; one size fits most