TC1 Sweat Belt Features: Superior heat insulation provided by premium latex-free neoprene. The belt's inner lining prevents slipping and bunching during your workout. The belt is naturally flexible to comfortably fit around your waist. Adjusts to most shapes and sizes. Sizing: The dimensions of the regular belt are 41 inches long and 7 ½ inches wide. Fits men and women sizes X-Small to X-Large. The dimensions of the larger belt are 10 inches wide X 51 inches long. Fits men and women sizes X-Large to XXX-Large. How to Use: Simply stretch the belt around your middle torso under your gym clothes and secure the Velcro. Start your sweat-ignited workout. Recommended: Rub TC1 Sweat Ignition Workout Gel on your arms, legs and stomach and wrap the Sweat Belt around your midsection just 20 minutes before your workout. Care instructions for Sweat Belt: Simply wipe down with a damp cloth after each use, rinse and hang to dry. Do not machine wash.