Oakley Sunglasses. Series Holbrook. Series number: OO9102. Color code: 910201. Color: Grey. Size: 55-18. Shape: Sport. Lens Width: 55 mm. Lens Bridge: 18 mm. Arm Length: 137 mm. 100% UV protection. Non-Polarized. Frame Material: O-Matter. Frame Color: Black. Lenses Type: Plutonite Grey. UPC/EAN code: 700285385167. Oakley Holbrook Plutonite Grey Men's Sunglasses OO9102-910201-55-18.