Features Fiberglass shell 2 external shell sizes 2 EPS sizes MIPS system " Just 1 emergency remove" cheek pad system Adjustable & removable peak Peak extension included High grade metal vent screens Removable an washable inner lining Multiple air vents Double D retention system Certification ECE 22-05 Weights ECE: small shell 1250 gr., large shell 1300 gr. MIPS® Multi-Directional Impact Protection System MIPS® (Multidirectional Impact Protection System) is an industry-leading anti-friction surface technology in the helmet, designed to reduce rotational forces generated by certain impacts. Note Please be aware, as long as nothing else is written in the item description: All helmets will be delivered only with the ECE certification by default, even if it is shown differently.