Daiwa Interchangeable Lens Triacetate Polarized Sunglasses, Gray DN-8044CH (Polarized Sunglasses, Polarized Glasses, Fishing, Men's) ■Lens: Triacetate ■Frame: Front/Temples…TR-90 (Nylon) ■Degree of polarization (%): 99 ■Visible light transmittance (%): 15/29/42 ■Lens width (mm): 50 ≪Daiwa polarized sunglasses, polarized glasses for fishing, men's≫