Size: XL (139mm) This model is one size ALPHA is a three-part system composed of a frame, gasket and goggle. A single lens works across all platforms.The complete package, the ALPHA Operator Kit contains the entire Oakley ALPHA ‘eco-system.’ A design founded on modularity and scalability. FRAME & LENSES Size: XL (139mm) Sold in one unique size Lens Height 57 mm Frame Width 139 mm Arm Length 132 mm • SI Ballistic M Frame® ALPHA™ Matte Black Frame • Meets or exceeds high mass and high velocity impact requirements per ANSI Z87.1/ • SI Ballistic Halo™ Goggle – Matte Black • SI HELO – ALPHA™ a lightweight and soft rubberized gasket to block wind and dust • Goggle Velcro Split Strap • Clear, Grey, Prizm TR22, and Prizm TR45 lens • Anti-fog recharge kit • Small Microfiber Bag • Large Microfiber Bag • M Frame Retention Lanyard • SI Strong Box - Terrain Tan is included with OO9296-01