The Zamp RZ-42 Boat Helmet features a florescent orange shell for great visibility and is made with a super lightweight kevlar mix shell. This helmet can be used for boat and auto racing.Snell SA2015 CertificationFlorescent Orange Shell for Boat RacingKevlar Mix Shell for Super Lightweight ShellAerodynamics Shell & Chin Bar Aero Lips in Shell, plus Adjustable Rear Top Spoiler and Front Top Chin Bar Spoiler included in box to be added if needed.TRI-Tech Air System– Allows you to run Natural Air, Forced Air, and Air Plugs in the Three Adjustable Inlets on Top and Both Sides of chin bar. The most adjustable Air Flow in the marketPlush Fire Retardant Removable/Washable ultra-soft Interior with EPS chin bar foamZ-20 Series 3mm Clear Shield with Tear Off Posts at 12.25 inch center posts using banana style tear offsHydration Hole/Plug Front and Center in chin bar with easy set upIntegrated M6 terminal mounts for head and neck restraint helmet anchors