Black FIRE-TEC Interchangeable Sports Glasses - FIRE TEC Interchangeable Sports Glass System. Interchangeable Smoke, Yellow and Clear Polycarbonate Lenses. Black Frame and Temple With Detachable Strap. Micro-Fiber Cleaning and Storage Pouch. Foam Padded Zipper Carry Cases.California Proposition 65 WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects and other reproductive harm.