Mcdavid Boxer Short w/ Protective Flex Cup, Youth & Adult sizes 90% polyester/10% spandex (elastane) Our products will provid in protecting and helping reduct the incidence of injury Supports your return to activity and enhance performance Made using the highest quality and most innovative technology and materials Stretch fabric with Hydravent Moisture management technology keeps athletes cool and dry and provides a full range of motion New FlexCup design provides maximum protection, extreme light weight, with new air flow ports for unmatched ventilation