Indirect ventilation channels on the foam and subframe provide superior dust filtration keeping debris out of the eyes Frameless, unilens design allows for wide-field peripheral vision Quick-release hinge system converts easily from temples to headband. Removable temples and standard adjustable headband included. Hypoallergenic latex-free option available 100% Non-conductive dielectric design Uvextra® anti-fog coated lens reduces fogging, keeping lenses clear Ideal for use in oil, gas & chemical, utility, construction and manufacturing operations Meets ANSI Z87.1-2010 and is certified to the requirements of the CSA Z94.3 standards (with and without foam subframe in place) Lens Coating Anti-Fog Standard(s) Met Meets/Exceeds CSA Z94.3/ANSI Z87+