movement mask for exercise, heat, long travel - black nxtstop the absolute most breathable and moisture wicking mask you'll ever wear. proprietary cool ice recycled polyester naturally cools your face while allowing airflow even during high intensity activity. stiffer fabric construction will not suck into the mouth during heavy breathing. nxtstop's activewear mask for sports, indoor, outdoor, and travel activities when you will need long-lasting moisture resistance and ultimate breathability while in close contact (within 6 feet) of other people. this stylish face mask can be used anywhere to keep you fashionable and safe; commuting to work on the train or bus, traveling domestically or internationally, attending a conference, exercising, or simply heading out for a walk in the park. nxtstop plane logo woven label on the front right side.