Xtreme Motorcycle Airmax Race Helmets Gloss feature State-of-the-art (Advanced Resin Technology) shell construction integrates the very latest Polycarbonate mold technology with advanced Thermo Resin resulting in strength, integrity and flexibility in a lightweight package. They are also Flexible, vented, contoured roost guard, and have 3 massive flow-thru visor ports direct air into the crown vent and minimize 'lift' at high speeds. Two shell sizes, two internal EPS sizes and seven size options maximize the weight and fit for each model. Exclusive crown vent with 3-position intake (closed, intermediate and fully-open). Coolmax removable, washable and replaceable moisture-wicking 3D liner. Plush, Thick, soft-foam padding for optimum comfort and exceptional fit. Large front mouth intake for maximum air flow. Ribbed. molded rubber temple inserts hold your goggles in place. Snap-out cheek pads in multiple sizes for a custom fit. Exclusive 2-stage adjustable Visor Xtender with smoke tint, pulls out to provide additional sun and roost protection. Large eye port for maximum peripheral vision. Exceeds SNELL M2005 and DOT standards.