MRX BOXING & FITNESS MRX Men's Boxing MMA Groin Guard Plastic Cup Inserted Adult Abdominal Protector Boxing MMA Groin Guard Made of Polyester/Cotton Elasticated. Plastic Cup Inserted. Flexible Elastic Strap Around. Available Colours: Black and White Groin Guard: MMA Boxing groin guard is made of 50% Cotton and 50% Polyester. With new hook and loop closure it is smooth, flat, double-stitched interlocking seams and also have an elastic band. Features: Anti-odor fabric wicks moisture and controls body temperature. Wear either Alone or under Board or Thai Shorts. Designing: Designed for unrestricted movement throughout any activity. Reduce muscle movement and vibration and focus the direction of the muscle. Plastic cup inserted. Flexibility: Flexible elastic strap around. Comes in black and white colors. Handy cup compartment which allows you to use additional cups for double the security.