Precision optics, polarized performance, and lightweight comfort are combined in Optic Nerve's supercool Axel Sunglasses-so get out and enjoy. . Fits medium to larger face shapes. Precision optics with 100% protection from harmful UVA/UVB/UVC rays. Polarized lens technology for reduced glare from reflected light-lens performance is maximized on or around water. Polycarbonate lenses for high impact resistance. Hydrophobic coating protects lens from water, oil, dust, and sweat for cleaning ease and durability. Focalpoint Lens Technology: eliminates distortion of a curved lens for crisp, clear optical clarity. Nickel silver alloy frame for durability, luster, firm resilience, tension, and stability (coated for hypoallergenic performance). Durable, sleek line-less spring temple hinges provide enhanced comfort and security. Adjustable temples. Gimbaled rocker nose pads offer adjustability, durability, and increased comfort. Four-point frame fit for a well-balanced, secure, comfortable fit. RX: prescription ready.