Oakley OO9301 Cohort Sunglasses The Oakley's patented High Definition Optics (HDO) elements distortion to give you clear, sharper, & more accurate vision with enhanced color, contrast and detail for an optimized experience. Some minor ware and scratches. Lightweight frames for everyday use, these sunglasses are great for an active lifestyle. The lenses shape provides excellent peripheral vision and 100% protection against UVA UVB & UVC rays.