Ray Ban Sunglasses. Series number: RB8313. Color code: 004/K6. Size: 61. Shape: Aviator. Lens Width: 61 mm. Lens Bridge: 13 mm. Arm Length: 140 mm. 100% UV protection. Polarized. Frame Material: Carbon Fibre. Frame Color: Gunmetal. Lenses Type: Polarized Silver Mirror. UPC/EAN code: 8053672346305. Ray Ban Polarized Silver Mirror Aviator Mens Sunglasses RB8313 004/K6 61.