Oakley's SI Women's Cohort Blackside Collection Sunglasses feature Prizm™ Polarized lenses that reduce light transmission and increase contrast and color, giving you superior visual acuity in bright light conditions. Sculpted full-coverage wrap O Matter™ frames provide superior durability, while Oakley's Three-Point Fit holds lenses in precise optical alignment. The stylish Oakley SI Women's Cohort Blackside Collection Sunglasses are the perfect upgrade to any uniform.