UA Tuned™ Golf lenses help you read the course more precisely & track the ball easier Rubber nose pads for ultimate comfort Injected front & temples with non-slip rubber trim keeps the frames on your head TR90 frames are durable, flexible, hypoallergenic & impact-resistant Auto-lock stop hinge allows the temples to lock securely in place for a sturdy fit Adjustable temples auto-form around your head for a gentle grip & custom fit All UA Eyewear defends against 100% of harmful UVA/B rays WARNING: This product can expose you to chemicals including Nickel (Metallic) which is known to the State of California to cause cancer, and Bisphenol A (BPA) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov