The HEAD Raptor glasses are the perfect eyewear for any playing condition. Features: Modern and lightweight impact resistance frame. Three color distortion free poly carbonate interchangeable lenses: Clear - for all court conditions. Amber - ideal for glass courts and darker playing conditions. Smoke - ideal for outdoor or extremely bright conditions. Extra durable anti-scratch and anti-fog treated lenses. 99.9% UV protection. Soft, non-slip nosepieces for ultimate comfort. Fitted temples with rubber inlay for a comfortable and stable fit. Adjustable elastic strap to hold eyewear in place during play. High-quality eyewear storage/lens cleaning bag.