TECH: Interchangeable Lenses, Interchangeable Gator-LokŪ Temples, Venting, CushinolTM, Cam-Action Hinges, Mastoid Temple GripTM, Anti-Ocular Intrusion SystemŪ All Hardtop sunglasses include 4 sets of lenses for all light conditions and 2 sets of Interchangeable Temples All lenses offer 100% UV protection (including yellow, orange and clear). 1. Polarized for superior glare reduction. 2. Orange Crystal: 57% VLT for medium light. 3. Yellow Crystal: 80% VLT for low light. 4. Clear Crystal: 98% VLT for very low to no light. Interchangeable Temples: 1. For Everyday Use 2. For Extreme Conditions FIT SIZE: Best fits a Medium to Large profile WEIGHT: 0.70 oz.