Medium Fit and Helmet compatible * Spherical Carbonic-X Lenses with TLT Optics, Patented Evaporator Lens Technology with 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