Hypervent Cap-Pigeon/GreyHypervent Cap is a soft, highly ventilating running cap that provides excellent sun protection and sweat management during high intensity workouts in hot conditions. This high performance cap is made from super soft and stretchy mesh fabric that offers exceptional moisture transport, keeping your head cool during long runs on warm summer days. Featuring a soft brim, which helps shield your eyes from the sun, the cap can easily be folded and tucked