Maui Jim’s Perico Polarised Classic Sunglasses are construction of Italian acetate and monel metal and have SuperThin Glass lenses for superior clarity. They are completed with solid titanium nose pads encased in non-slip, hypoallergenic silicone. The ample size of this frame will be appreciated by anyone looking to project a striking presence.Product Information:• Product Code: DBS853-03• Frame: Navy with Gunmetal• Lens: Dual Mirror Blue to Silver - Over our Neutral Grey base lens that offers the highest available light reduction for the richest colors and sharpest contrast. Dual Mirror Lens options are not available in prescription.• Lens Material: SuperThin Glass - Provides the absolute crispest optics available. 20% to 32% thinner and lighter than standard glass, it offers the best scratch and solvent resistance.• Rx Power Range: +3.00 to -5.50• Small Tri-Fold Case• Cleaning Cloth