New Pit Viper Sunglasses Org. $99 Asking $65 obo AVERAGE FIT FOR MEDIUM HEADS: If you're average at everything or just have an average sized head, go with these. UV Protection: 100%, Light Transmission: 14.2%, Lens Material: Z87+ Rated 2.2mm Polycarbonate, Look Thru Color: Blue The E-Spot Adjustment: Adjustable earpiece length. This refers to the depth of the earpiece. There are 4 distinct settings for the E-SPOT and it is paramount you find your preferred setting. The Turbo Adjustment: Adjustable lens angle. Turn it all the way up to Op-Turbo; perfect for those low-effort scenarios OR turn it all the way down to Full Turbo for the highest intensity situations. Durable, Functional, Expressive, Z87+ Safety Rated