Linking clean wrapped surface design with outstanding performance LEWI offers maximum coverage with subtle styling like ergonomically engineered paddle arms and temple tips (for improved comfort and performance-fit) with channelled logo accents. Built around an injection-molded TR90 frame and 8 base SR-91 lenses the universal & lightweight fitting design of LEWI makes it an easy choice for anyone seeking all-day comfort and performance on the street or field of play. The G12 lens is the darkest grey lens. It blocks 88 percent of visible light. It performs best in bright full sun conditions.