Polyester/Spandex Imported Pull On closure Machine Wash Dream Athlete Partner: Tanks to high compression tech, our workout shirts perform great on stabilizing and protecting muscles, so you can push your limits to go harder and faster for longer while minimizing the risk of injury Accelerates Repair: Help Reduce the negative effects of lactic acid, improving the circulation cleaning process and deliver blood efficiently while traveling, recuperating, or sleeping, which minimize muscle pain and fasts recovery. Keep You Dry and Comfort : This workout compression shirts is made of ultra soft, breathable and sweat-wicking four-way stretch fabric, which dries really fast, keep you cool and delivers a smooth, soft feel for maximum comfort Flat-lock Seams and UV Protection: This athletic undershirts adopt Four needles ergonomic flat-lock seams that allows you to move better in every direction without fear of chafing. UPF protects your skin from the sun's harmful rays. When to Wear: Compression Sportswear is worn before, during, and after exercise. Perfect for Team Sports, Track and Field, Long and Short Runs, Strength Training, Gym, Traveling