Grayne Blackout MTN Ski Snowboard Goggles with Goldrush Anti-Fog Lens and Extra Yellow Low-Light Lens Lens: Spherical, 5X Military Grade Anti-Fog / UV Treatment / Ultra-Hardened Anti-Scratch Protection Fit: Medium/Large Fit Helmet Compatible: Yes Strap: Ultra-Wide, Full Slide-Adjust Silicone Ventilation: Full Frame Protected Ventilation