COCOSHINE Men's Neoprene Slimming Vest Sport Waist Training Corset Body Fitness Shaper Material: 80% Neoprene + 20% Nylon; Zip closure front; Reversible Provides instant abdominal compression and lumbar support. Open bust design. Snug fit follows and flatters your body's curves. It can keep your body warm and heat up your core abdominal area making you sweat more while performing your daily activities; Helps in burning tummy fat, reducing your abdomen and waist. Please check your SIZE provided in photo on the left side.