The tifosi jet sunglasses are part of the ever growing tifosi riding glasses range to help you keep your eyes free from interference when out on your bike whether yoursquore a mountain biker or a road rider these tifosi riding glasses are perfect for protecting your eyes on your bike these mens riding sunglasses have the closets fit to ensure nothing gets underneath them and are super lightweight and comfortable for all day riding comfort the tifosi jet glasses are made of grilamid tr 90 ma