New for 2019 is the Al One Helmet from Warrior Hockey! With a true one-piece construction, along with various features in the protection department, plus a custom fit system, the Al One Helmet is one of the most advanced helmets on the market!Starting off with the shell, the Al One Helmet is constructed of a completely one-piece shell! This high-density plastic shell provides a stiff, durable, and lightweight barrier of advanced protection. The geometry of the shell itself is designed to provide best-in-class direct-impact diffusion! In short, this means better protection against impacts such as deflected pucks or errant sticks.for any detil pls search