This Helmet comes in Medium Size Known for their reputation for handcrafting the best helmets in the world, the Arai Signet-X helmets is no exception. Boasting an all new PB-SCLC (Peripherally Belted - Super Complex Laminate Construction) shell design delivers both performance and affordability while incorporating the elegant new VAS (Variable Access System) shield that provides a rounder shell shape and an easy-to-use-changing system.