Impact's Nitro helmet was specifically made with Alcohol and Nitro drag racers in mind with its integrated breather system and drag specific eye port. Engineered to alleviate the fumes emitted from nitro and alcohol powered dragsters, the Nitro by Impact features a replaceable filter system and bottled air intake port. A built-in SFI 3.3/10 rated Nomex® skirt assists in keeping the fresh air contained in the helmet while the braided Kevlar eye port gasket provides an excellent fire retardant seal around the shield. The Impact Nitro also features a built-in D-ring to keep the head restrained during launch. Manufactured from Impact's exclusive “Intelligent Gray Matter” (a variable-density, single-piece inner liner) and upholstered in fire retardant soft-knit Nomex®, the interior features interchangeable cheek pads for a customized fit. The Impact Nitro also offers a variety of anti-fog, tinted, and Hi-Def Amber shields with excellent visual acuity for the most accurate read of the tree. Adult Sizes: XS/S/M/L/XL

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