Need some sunnies to protect your eyes whilst yoursquore out and about on your bike then you need the tifosi duro fototec sunglasses these glasses offer unparallel protection for your eyes from harmful uv rays and change strength with the light change so yoursquoll only ever need on pair of lriding glasses the fototec lenses used on the tifo duro glasses use a variable tint technology that adjusts rapidly to changing light conditions for superior clarity and protection with these lmen