The Tifosi Just Polarized Sunglasses are an open lens design with vented lenses for improved air circulation and prevention of fogging. Sunglasses provide great coverage when you're playing-in-the-outdoors. These stylish sunglasses feature de-centered shatterproof polycarbonate lenses to virtually eliminate distortion, give sharp peripheral vision, and offer 100% protection from harmful UVA/UVB rays, bugs, rocks, or whatever comes your way. Lens installation/removal is fast-and-easy. This is the technology to choose if you enjoy spinning down the open road, jogging to your favorite beat, or flying through the shaded woods. Dial in your Tifosi interchangeable sunglasses with either Matte Black Frames with Smoke Lenses a multi-purpose tint that is color neutral so colors are not distorted and are great all sport activities in full sun conditions, or with Matte White Frames with Smoke Red Lenses also a multi-purpose tint that is color neutral so colors are not distorted and are great all sport activities in full sun conditions. The Just Sunglasses Frame is made of a homo-polyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. The Jus Sunglasses has hydrophilic rubber ear and nose pieces for a no-slip fit. Sunglasses have adjustable nose piece for a customizable, comfortable fit. The Tifosi Just Sunglasses fit small, medium and large faces. Tifosi Just Sunglasses weigh 0.95oz (27g), come with a storage bag and case and are covered by a limited lifetime warranty.