ES Chin Cover V - Full coverage cloth chin curtain - Designed to fit over the existing pull down spoiler with no modification and can be removed easily for warm weather riding, allowing the spoiler to be used again - Reduces turbulent air under the chin, reducing wind noise and air or debris from swirling up into the helmet - Helps draw air out from the mouth area to keep humidity off the shield - Easy "4-click" mounting tabs allow it to be installed in the Corsair-X, Signet-X, Quantum-X, Defiant-X, DT-X, Contour-X, and XD-5 helmets