Built to provide technically advanced eye protection to enthusiasts of all sports and outdoor activities, Tifosi Radius FC sunglasses deliver great performance whether you're running a 10k, riding a century, or just heading out on town.

• Grilamid TR-90 frame offers an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage
• High Speed Red Fototec  photochromic lenses provide 35.3-13.5% L.T. (light transmission), enhance contrast, and are perfect for mountain biking, hiking, or trail running
• Fototec lenses transition in 10 seconds (transition time is slower when inside your vehicle due to the UV protection in the windshield)
• Lenses are made of scratch-resistant, shatterproof polycarbonate with embedded polarized material
• Optically decentered lenses eliminate distortion and prevent distracting magnification
• Lenses are vented for increased air circulation to prevent fogging and keep you cool
• FC—Full coverage lenses provide additional protection
• Hydrophilic rubber nose pad and earpieces ensure a non-slip fit
• Adjustable temples and nose allow for customizable comfort
• All Tifosi sunglasses provide 100% UVA/UVB protection
• Best fits small through large sized faces