Tifosi Saxon Single Lens Eyewear - CLOSEOUT. The Tifosi Saxon single lens eyewear are perfect for riding on or off road. These open lens, single lens glasses help reduce glare and protect your eyes from the sun's rays. The frame is made from tough Grilamid TR-90, a type of nylon that's characterized by its ability to bend without breaking or losing shape. Adjustable nose pieces give you a custom fit, while vented lenses improve air circulation and prevent fogging. Compatible with Direct Fit Rx lenses (not included) .