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Etna SL is a hybrid technology soft ear slalom helmet. Its outer shell is made by ABS combined with In Mould polycarbonate; safety and lightness where needed. Internal thermoregulation is provided by an active airflow control and the Venturi Effect. Chinguard included. ABS SHELL FOR FREQUENT IMPACT AREAS IN MOULDING POLYCARBONATE SHELL THERMOFORMED, REMOVABLE, WASHABLE POLYGIENE® INNER PADDING REMOVABLE SOFT EARS INTEGRATED SLIM ROLLFIT ACTIVE VENTILATION OF THE VENTURI AIRFLOW CHINGUARD INCLUDED