Ring to Cage Muay Thai Men's GelTechSupporter with Steel Cup Improved Design: Muay Thai GelTech Men's Supporter with Steel Cup. Molded cup, steel construction. Genuine leather covering, Neoprene GEL material padded along edge for added comfortability, thin soft foam lining inside the cup to avoid direct contact to Metal part of the cup, with new style supporter. Small/Medium size fits 120-180lbs. Large/X-Large size fits 180lbs and over