Pearl Izumi AmFIB Lite Skull CapThe Pearl Izumi AmFIB Lite Skull Cap uses Polartec Wind Pro fabric on the leading edge to block the wind and highly breathable thermal fabric on the top and back to keep you from overheating. It’s designed to fit easily under your helmet and comes down enough on the sides for crucial ear protection. It fits comfortably under a helmet and a port in the rear allows ponytails to pass through. Available in Black.191234922876