This Pyramex® Mayan® Safety Eyewear has in-line ratchet adjustable temples that alter lens angle to help deliver a perfect fit. Its dual-focus single lens helps provide optimum optical clarity. No length adjustment is necessary with the soft rubber straight-back temples that help offer comfort and prevent slippage. The safety glasses have an integrated nosepiece and are crafted of high-grade nylon and polycarbonate materials for lightweight all-day wear. The clear lenses are scratch resistant and help block 99.9% of harmful UV rays. Suitable for general-purpose indoor applications that require impact protection.