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Bruno Sunglasses from Optic Nerve help you fully enjoy the outdoors with lightweight comfort, long-lasting durability, precision optics, and polarized performance to reduce glare.. . . Fits medium to larger face shapes. Precision optics with 100% protection from harmful UVA/UVB/UVC rays. Shiny Black frame with polarized Smoke lenses for most bright sun conditions with 15% VLT (Visible Light Transmission; provide accurate color definition. Tortoise frame with polarized Brown lenses for enhanced definition, acuity, and depth perception; recommended for general, bright sun conditions with 18% VLT (Visible Light Transmission). Polarized lenses eliminate reflected glare assuring everything appears brighter and sharper with more realistic color and better contrast/definition-great for activities on or around water. Injection polycarbonate lenses offer durability, clarity, and high impact resistance. Durable, resilient TR90 Grilamid nylon frame with ensures a snug, comfortable, and secure fit. Meet CE Cat 3 Standards for optical clarity, UV protection, and impact resistance. Meet ANZI Z80.3 standards. Rx: prescription ready.