* ALPHA, new cross fiber helmet of SUOMY, studied in details for internal comfort, technologies, & safety for end user. * Shell in TRICARBOCO material, produced in two sizes (M & L), fabric mix of Kevlar, carbon & fiber joint by resin. * Internal polystyrene in 3 sizes (S, M & L) to get the best comfort with variable density. Article: Suomy Alpha Waves Motocross Helmet, red-yellow, Size M Article: Suomy Alpha Waves Motocross Helmet, red-yellow, Size M, red-yellow, Size M