Womens Cat Eye Wayfarer Polarized Sunglasses resin frame Composite lens non-polarized Lens width: 49 millimeters Lens height: 43 millimeters Bridge: 19 millimeters Arm: 137 millimeters Acetate Frame. Acetate is a plant-based plastic that is known for being lightweight, yet durable Polarized TAC lens 100% UVA/UVB Protection New Retro Wayfarer Light Weight Frame Perfect Fit Construction