PERFORMANCE TECHNOLOGIES: The Core Flex pocket design and integrated cup lock keeps you secure without getting in the way Breathable dual-mesh fabric offers maximum ventilation Includes Bio-Flex cup with gel perimeter for superior comfort and protection PERFORMANCE TECHNOLOGIES: The Core Flex pocket design and integrated cup lock keeps you secure without getting in the way Breathable dual-mesh fabric offers maximum ventilation Includes Bio-Flex cup with gel perimeter for superior comfort and protection