Impact RACE Offset Air Draft OS20 Helmet (with OFFROAD Wired Helmet Kit) is designed for comfort, safety, ample overhead clearance and features a 20° offset fresh air hose inlet to channel air, preventing dirt from entering your eyes. Included are standard-width removable cheek pads, but various thicknesses are available. With helmet sizes from XS to XL, fitting can be customized to suit most racers. The helmet incorporates an intelligent Gray Matter liner, covered in fire-resistant fabric, and a heavy-duty, 1/8-inch polycarbonate shield. The Air Draft OS20 is manufactured in the United States, wired with Rugged Radios Helmet Kit, and is SNELL 2020 Certified. With a shell of proprietary American space-age Carbon-Kevlar tri-weave composite, forward-facing chin bar vents, and a fire-retardant Kevlar® chinstrap, safety is paramount. The helmet, weighing 4.5 lbs., is available in six sizes as per the given measurements.