Smith Optics Elite Boogie Regulator, Ignitor Lens Lenses meet US MIL-DTL-43511D goggle impact level Smith patented Regulator ventilates lenses combat fogging Fits like an eyesheild with protection of a goggle Smith Optic's uncompromising optical quality Lenses provide 100-Percent protection from harmful UVA/UVB/UVC rays-Anti-fog and scratch resistant o