Homologation: SNELL2015 FIA8859_15 HANS FIA8858_10 Size: 54 Material: Fiberglass - Kevlar Msf (Multi Sandwich Fiber) Weight (Intercom Included) + -30 G: Small Case 1,450 G Large Shell 1,590 G Much Lighter Small Shell Increased Vision More Comfortable More Aerodynamic Better Driver Ventilation Closure Multifunction Visor Lock System New Central Visor Lock System With Double Click Prepared For Front Consumption System Settings: Microphone Mouth Distance, Small Area Ear Customization Shell | Xs 54, S 55, M 57, L 59 Gran Concha | L 60, Xl 61, Xxl 63, Xxxl 64