Giro S4 Ski Helmet
Size: Small (53.5 to 55.5 cm) Adult
Construction: Injection molded ABS shell and lightweight EPS liner offer proven, steady performance.
EPS Liners: If it wasn't the best, we wouldn't use it. But 15 years of R&D experience and thousands of impact tests prove that EPS (expanded polystyrene is truly the best material for snowsport helmet liners. Why? Because EPS ...