NEXT-LEVEL SUPPORT AND STRETCH. The Nike Pro Flex Shorts pair built-in shorts with a stretchy outer layer to keep you supported and moving comfortably. Mesh panels help you stay cool when your workout heats up. Made to MoveNike Flex fabric stretches with your body, helping you get the most out of your performance without getting in your way. Supportive CoverageBuilt-in shorts have a tight fit to help you feel supported through your routine. Cool ComfortMesh on the sides lets air flow to help keep you cool. More Benefits Dri-FIT technology helps you stay dry and comfortable.