Clear AntiFog Lens: General Purposes For Indoor Applications That Require Impact Protection. First Class Optical Lens Provides Unrestricted Vision. Offers Protection From Excessive Glare Provides 99 Protection From Harmful UVA And UVB Rays. Stylish, Ergonomic Frame Combines With Sleek Polycarbonate Lenses For The Ultimate In Protection And Style. AntiFog Lenses PMX5050Features: Dual Injected Temple Design Includes Soft Rubber Tips For A NonSlip Fit. PMXSLIM Has A Slim Fit For Smaller Facial Features. Soft, Adjustable Nose Piece Generates A Cushion For All Day Comfort. WrapAround, Single Lens Design Performs With An Incredible 10Base Curve, Including Side Protection That Extends To The Temples. Meets ANSI/ISEA Z87.12010 High Impact Requirements Price is for single pair Sold by the dozen.