Shell: double micro shell superlight in-mould construction; security: EPS shock absorber foam Certification: security tested [EN1077 B]; ventilation: passive top Venting shell to increase airflow Internal/lining: Full textile lining for comfort and warmth; ear pads: soft and thermo-formed removable ear pads Chin strap: Deluxe Sherpa chin pad; weight: 330 g/ 0.72 lb Fit system Roxy SLUSH - SNOWBOARD/SKI HELMET WHITE