Serengeti Unisex Vasio Sunglasses plastic plastic frame plastic lens Non-Polarized Bridge: 16 millimeters Arm: 130 millimeters 2.63" high 3.13" wide Both timeless and high-tech. The latest in Poarized Lens technology. Ideal for Bright Light conditions. Manages yellow and green light transmissions to cool and relaz the eyes Light silver coating further reduces eye strain by acting as a protective shield against glare.