PERFORMANCE TECHNOLOGIES: Same patented TREDCAL brand pads worn by more than 1,000 professional players Custom front foam logo is removable and replaceable Black Plate is made of a durable high-density polyethylene 1/4" shock absorbing foam on the backside is thick enough for pads to be worn alone and thin enough to be used with a girdle ADDITIONAL SPECS: To use with girdle, slide the pads into the thigh pad pocket of the pants