Smith Knowledge Turbo Fan Snow Goggles Large Fit and Helmet Compatible Select colorways available with ChromaPop, Spherical Carbonic-X Lens with TLT Optics and 5X Anti-Fog inner Lens Two-speed micro-electronic turbo exhaust fan, ODS3 & eyeglass compatible, Floating foam membrane eliminates eyeglass temple pressure Includes Microfiber Goggle Bag with Replacement Lens Sleeve Manufacturer's Lifetime Warranty