Oakley SI Ball M Frame Alpha Terrain Tan w Prizm Grey


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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. It is a design founded on modularity and scalability.


  • ¬†Meets or exceeds high mass and high velocity impact requirements per ANSI Z87.7
  • SI HELO-ALPHA a lightweight and soft rubberized gasket to block wind and dust
  • Goggle Velcro Split Strap
  • Anti-fog recharge kit
  • M Frame Retention Lanyard

Additional information

Weight .3 lbs
Dimensions 6.63 × 3.13 × 3.13 in