hook&eye closureDesign: M-shape seam to fit butt well, exquisite seams, a smooth finish and double needle reinforced hook buckle provide a secure fit.Neoprene Material: High quality Neoprene can increase sweat crazily for you and control tummy to help you look slim. The trouser legs are made of breathable fabric, which is comfortable to absorb moisture and wick away sweat.More Sweat Function: The neoprene material allows you to increase sweat and fat burning. Besides, you can adjust the tightness due to the adjustable hook-eye clasp closure design.Collocation & Occasions: Match with any combination of workout tops or shirts, which make you different visual feel. Its suitable for you to do some exercises, such as workout, fitness, running or daily wearing.