Built to provide technically advanced eye protection to enthusiasts of all sports and outdoor activities, Tifosi Tyrant 2.0 sunglasses with interchangeable lenses are guaranteed to enhance your sport whether you're running a 10k, riding a century, or heading out on the weekend for a kayak fishing trip.Grilamid TR-90 arms offer an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. Includes three sets of lenses:. Clarion Red reflective mirror lenses provide 14.5% L.T. (light transmission) and feature a hydrophobic coating that repels water and sweat to increase visibility and prevent distortion. AC Red lenses provide 41.4% L.T, offer an enhanced view in cloudy/foggy weather, and provide good contrast in mid- to lowlight conditions. Clear lenses provide 95.6% L.T. and allow the user to have eye protection at night or in other extreme lowlight conditions. Lenses are made of scratch-resistant, shatterproof polycarbonate. Optically decentered lenses eliminate distortion and prevent distracting magnification. Lenses are vented for increased air circulation to prevent fogging and keep you cool. Hydrophilic rubber nose pad and earpieces ensure a non-slip fit. Adjustable ear and nose pads allow for customizable comfort. All Tifosi sunglasses provide 100% UVA/UVB protection.