99.99% UV protection. Indirect vent for chemical splash protection. Low profile, fits over prescription glasses. Soft frame comforts against skin and offers tight seal. Connective chin visor available for all around protection. Meet with ANSI Z87.1 & CSA Z94.3 Standards. Meet with CE EN166 (EN ISO 16321) & UKCA Standards. SAI Global AS/NZS 1337.1 Certified.