Serengeti Matera 2.0 Pilot Sunglasses. NON- POLARIZED Mineral Glass Photochromic “light adjusting Lenses. Extreme comfort thanks to its adjustable nose-pads and rubber temple tips, Matera is defined by a dramatic and sporty design reinforced in its brushed-metal finish. Fit: Medium, Gender: Both, Polarized: No, Photochromic: Yes, Light-Adjusting Lens, Size: 61 x 36mm (WxHt), Lens Material: Light-Weight Mineral Glass, Frame Material: Monel & Nickel in Brushed Henna, Corrosion-Resistant, hypoallergenic alloy, Frame Fit: Temple 130, Bridge 14mm, Base Curve: 8x, Frame Features: Adjustable Silicon Gel Nose Pads.