Specs: Dual-certified for all-season use Compatible with beanies Built for integration with Smith(R) goggles for optimal comfort Design & Technology: Advanced ABS construction for improved impact protection and all-around strength AirEvac(TM) ventilation system that integrates with goggles to minimize fog 8 fixed vents for regular airflow Removable goggle strap lock that streamlines shell when goggles worn beneath helmet Removable bombshell ear pads that fit to your form Self-adjusting lifestyle fit system with flexibility to match your head shape Round contour fit for better feel with round head shapes Safety Features: Certification: ASTM F 2040, CE N 1077:2007 CLASS B