Oakley SI Flak 2.0 XL Thin Blue Line

The SI Flak 2.0 XL Thin Blue Line takes performance to the next level and brings style along for the ride.

• The XL edition offers enhanced lens coverage and specialized lens curvature for protection against sun, wind and impact
• Unobtanium® earsocks and nosepads keep glasses in place, increasing grip despite perspiration
• Patented High Definition Optics® (HDO®) provides superior optical clarity and razor-sharp vision at every angle
• O-Matter™ stress-resistant frame material is both lightweight and durable for all-day comfort and protection