Silky, lightweight and comfortable, you might forget you’re wearing our AirFlex! Customize however you wish, and wear alone or as a temperature controlling second skin beneath your favorite Olly Wear fleece. It's high tech fabric features extreme moisture protection, body temperature management, and odor resistant properties. Superior moisture wicking and highly breathable qualities makes this active top fast drying and easy care. Great stretch and silk-like softness promotes comfortable and free movement.