Oakley OX8183 Bat Flip .The frame is constructed from O-Matter™, Oakley’s proprietary lightweight and durable injected thermoplastic, designed for comfort during extended wear.It features Unobtainium® earsocks for enhanced retention, as well as TruBridge Sport Unobtainium® nose pads—both engineered to offer a secure, no-slip fit even when you’re active or sweating. The Bat Flip adopts a sport performance-driven design, with a full-rim, square silhouette and a sculpted “twisted stem” that echoes the motion of a baseball bat swing—offering both style and functional flair.