Construction: HardshellAudio: NoVenting: PassiveFit System: DialedBike Certified: YesFeatures: Passive-Channel Ventilation, K2Dialed Fit System, washable Full-Wrap Liner System, Tool free removable goggle clip, Summer Pad KitColors: Black, Gray, Stone Blue, Rust OrangeWeight: 500g K2 CASCO SNOWBOARD UOMO INVERNO 1054004.1.4 THRIVE RUST ORANGE