The Fly 2020 Kinetic K120 MX Helmet is packed with features...Specifications Include:Durable and lightweight polymer shellDual-density EPS (Expanded Polystyrene) linerCustom moulded rubber trim with integrated nose guardThree shell sizes and four EPS sizes provide a precise fitRemovable and washable comfort liner and cheek pads absorb sweat while providing ventilationAll FLY helmets have TFV (True Functional Ventilation) - When in motion air is forced through multiple air intake vents, then passes through aligned vent channels in the EPS and exits out multiple rear exhaust ventsHigh-flow mouthpiece is replaceableDouble D-ring fasteningACU Gold standard approved for use on the track Soft fleece helmet bag included