Smith Optics I/OX Goggle Medium/Large Fit and Helmet compatible Select colorways available with ChromaPop, Spherical Carbonic-X Lens with TLT Optics and 5X Anti-Fog inner Lens Responsive Fit Frame design, Ultra-Wide, Silicone Backed Strap, and Dual-axis outrigger positioning system Patented Porex filter, Includes Two Performance Mirror Lenses, Microfiber Goggle Bag with Replacement Lens Sleeve Manufacturer's Lifetime Warranty