Oakley Sunglasses. Series Hydra. Series number: OO9229. Color code: 922904. Shape: Shield. Lens Width: 137 mm. Arm Length: 139 mm. 100% UV protection. Frame Material: O Matter. Frame Color: Crystal Black. Lenses Type: Prizm Violet. Rim Style: Semi-Rimless. UPC/EAN code: 888392593436. Oakley Hydra Prizm Violet Shield Men's Sunglasses OO9229 922904 37. All Oakley Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.