Bolle Safety Tracker Series Safety Glasses Tinted lens reduces eye fatigue and eye strain caused by blue light. Available in a variety of lens options for indoor and outdoor use. Rubberized eye seal provides exceptional protection against dust and other particles. Adjustable headstrap improves fit and protection. Can be fitted with an Rx prescription lens adapter while maintaining impact protection approval Pack of 1 WARNING: This product can expose you to Bisphenol A, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov - Bisphenol A (BPA)