This youth brief is designed with moisture wicking four-way stretch fabric that moves with your body while eliminating sweat. The internal mesh cup panel secures the cup and increases ventilation to improve cooling. The Shock Doctor BioFlex Cup, a vented bio-shape device designed to shield areas where protection is most crucial. The body of this core protective cup forms flawlessly to your athletic frame, providing unrestricted movement, airflow and comfort.Features:Secure and comfortable fitMesh cup panel for maximum ventilation