Smith Optics I/O Goggle Medium Fit and Helmet compatible Spherical Carbonic-X Lenses with TLT optics, Porex Filter and 5X Anti-Fog inner lens Articulating outrigger positioning system with Ultra-Wide, Silicone Backed Strap and QuickFit Strap Adjustment System Includes Two Performance Mirror Lenses and Microfiber Goggle Bag with Replacement Lens Sleeve Manufacturer's Lifetime Warranty