Ray Ban Sunglasses. Series Steve. Series number: RB4487. Color code: 66308G. Shape: Square. Lens Width: 54 mm. Lens Height: 44.5 mm. Lens Bridge: 18 mm. Arm Length: 145 mm. 100% UV protection. Non-Polarized. Frame Material: Nylon. Frame Color: Black On Transparent Grey. Lenses Type: Grey Gradient. Rim Style: Full-Rim. UPC/EAN code: 8056597717823. Ray Ban Steve Grey Gradient Square Unisex Sunglasses RB4487 66308G 54.All Ray Ban Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.