1) This product can defend cold keep warm 2) This product is waterproof 3) No air goes through 1)Tone up waist,hips and thighs. 2)Keep thigh muscles warm through natural body heat to prevent injury or relieve soreness. 3)Ligjht and comfortable,can be worn under clothing. 4)Hit the gym,walk,jog,run,skip,surf,ski,cycle,aerobics or even do your housework-this is just the thing for all your ...