V2G® Goggle headband features ratchet adjustment for perfect fit. Foam padding forms a perfect seal to keep out dust and airborne particles. It features quick fit retainer. Interchangeable temples/headband included with each pair of V2G®. 9.75 base curved lens provides full side protection. Lenses are treated to prevent fogging and self seal small scratches. Lens and frame are vented to increase air flow. It offers protection from excessive glare. Provides 99% protection from harmful UV-A and UV-B rays. Scratch-resistant lenses. CAN/CSA Z94.3-07