The SI Flak Jacket 2.0 XL offers a standard size frame with enhanced lens coverage, and every millimeter of the peripheral view is optimized with High Definition Optics® in a durable yet lightweight design that takes performance to the next level and brings style along for the ride. Essential gear for competition, Flak™ 2.0 XL has 8.75 base lens curvatures for protection against sun, wind and impact, and patented XYZ Optics® maintains clarity along the full curve while you push your limits with the comfort and secure grip of Unobtainium.
- Flak 2.0 XL offers a standard size frame with enhanced lens coverage, and every millimeter of the lens is optimized with High Definition
- Optics® in a ruggedly durable yet lightweight design.
- 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