This Versatile Solution Is Perfect For Almost Any Environment. The Indirect Vented Foam Carriage Offers Maximum Dust Protection, Yet Sufficient Airflow To Prevent Fogging. Interchangeable Temples/Strap Are Included. Stylish, Ergonomic Frame Combines With Sleek Polycarbonate Lenses For The Ultimate In Protection And Style. Meets ANSI Z87.1 High Impact Requirements. CAN/CSA Z94.3-07. CLEAR LENS: General Purposes For Indoor Applications That Require Impact Protection. Anti-Fog Lenses. Offers Protection From Excessive Glare. Provides 99% Protection From Harmful UV-A And UV-B Rays. 100% Polycarbonate Lenses. Scratch-Resistant Lenses. SANDSTONE BRONZE LENS: Commonly Used In Outdoor Applications. Offers Contrast In Low Light Conditions. Anti-Fog Lenses. First Class Optical Lens Provides Unrestricted Vision. Offers Protection From Excessive Glare. Provides 99% Protection From Harmful UV-A And UV-B Rays. GRAY LENS: Commonly Used In Outdoor Applications. Anti-Fog Lenses. Offers Protection From Excessive Glare. Provides 99% Protection From Harmful UV-A And UV-B Rays. 100% Polycarbonate Lenses. Scratch-Resistant Lenses.