Smith Optics I/OS Goggles Includes Two Performance Mirror Lenses and Microfiber Goggle Bag with Replacement Lens Sleeve Small/Medium Fit and Helmet Compatible Spherical, Carbonic-X Lenses with TLT Optics, Porex Filter and 5X Anti-Fog Inner Lens Ultra-Wide, Silicone Backed Strap and Quick Fit Strap Adjustment System Includes Two Performance Mirror Lenses and Microfiber Goggle Bag with Replacement Lens Sleeve Manufacturer's Lifetime Warranty