The McDavid Waist Trimmer delivers core support and can help make weight loss more efficient through therapeutic heat that can remove excess water weight and increase muscle productivity. With a secure fit and design that can help improve posture while you workout and speed recovery afterwards, the Waist Trimmer is an essential component for enhancing any fitness regimen. This is a Protection Level 1 product for primary support. It promotes performance and pain relief through the use of thermal compression and breathable fabrics.