Tifosi Optics 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. The Tyrant Sunglasses with Light Night Polarized Fototec Lenses with Variable Tint Technology (T-V) Adjust Rapidly to Changing Light Conditions for Superior Clarity and Protection. In Bright Sun, Microscopic Photo-Chromic Particles-Embedded in the Lens React to UV Rays Darkening the Optics so you'll Never-Squint. Then with Cloud Cover, the Particles Return to their Previous State Letting-through-More Light.
Model has Ventilated Lenses which Decrease Fogging and Help Cool the Wearer. The Tyrant Sunglasses Frame is made of Grilamid TR-90, a Homo-Polyamide Nylon Characterized by an Extremely High Alternative Bending Strength, Low Density, and High Resistance to Chemical and UV Damage. The Tyrant has Hydrophilic Rubber Ear and Nose Pieces for a No-Slip Fit. Sunglasses have an Adjustable Nose Pieces for a Customizable, Comfortable Fit. The Sunglasses fit Small to Medium Faces, weigh 0.88 oz (25 g) and are covered by a Limited Lifetime Warranty.