RDX MMA Thermal Compression Shorts Men's Base Layer Groin Cup Boxing Training Guard Fitness Running Exercise RDX flex 4-way stretch Compression Shorts & next generation Groin Guard Geltech Perimeter polycarbonate vented Cup, Anti-microbial fabric that wicks moisture & Maintain body temperature Reducing muscle soreness during post workout recovery Reducing the risk ofSports injuries Polymer absorbs the impact shock instead of transferring it to the body