Foam riding helmet Samshield Premium Noir LINER-PREMIUM-57L

port foam in Samshield helmets is MANDATORY. Each set foam is designed for one helmet shell size (S, M or L). The size of the foam will determine the final size of your helmet:- The S size fits helmet shells from 52 to 56- The M size fits helmet shells from 55 to 58- The L size fits helmet shells from 57 to 61The Samshield foam is very comfortable because it is of the "shape memory" type.It adapts perfectly to the shape of your head and prevents the helmet from tipping over in the event of violent movements.Machine washable at 30°C on delicate cycle.