Smith Optics Grom Youth Junior Snowmobile Goggle NA Imported Youth Fit-Medium and Helmet Eyeglass Compatible, Available with ChromaPop lenses, Spherical Carbonic-X Lens with TLT Optics and Thermal Lens Technology with Porex Filter Floating Foam Membrane Eliminates Eyeglass Temple Pressure and Dual-Slide Strap Adjusent Fog-X Anti-Fog Inner lens, 2-Layer DriWix Face Foam Manufacturer's Lifetime Warranty