Stanley Genesis Premium Safety Glasses, Espresso Lens (RST-61024) 9-base wraparound uni-lens style offers maximum protective coverage and superior peripheral vision; soft, elastomer brow guard diffuses impact while providing comfort at all key points Ventilation channel between frame and lens controls fog and moisture in eye socket area Soft, adjustable nose piece fingers conform to almost any nasal passage; adjustable temple length and lens inclination for customized fit Espresso lens tint is ideal for outdoor work environments where sunlight and glare can cause eye strain and fatigue Meets ANSI Z87+ and CSA Z94.3 safety standards; meets military V0 ballistic impact test requirements (7x higher than ANSI); provides 99.9% UV protection