Lenses meet US MIL-DTL-43511D goggle impact level clause 3.5.10 • Smith patented Regulator ventilates lenses to keep fog away • Smith Optics’ uncompromising optical quality • Durable 15mm Woven Strap • Anti-fog and scratch resistant coatings on all lenses • 100% protection from UVA/UVB rays • Available in gray, Clear and Ignitor lens tints