oakley men's standard issue ballistic m frame alpha sunglasses,os,matte black/clear oakley 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, the kit includes all of the following componentry:<br><br>si ballistic m frame alpha matte black frame <br>si ballistic halo goggle – matte black <br>si helo – alpha a lightweight and soft rubberized gasket to block wind and dust <br>goggle velcro split strap <br>clear, grey, prizm tr22, and prizm tr45 lens <br>anti-fog recharge kit <br>small microfiber bag <br>large microfiber bag <br>m frame retention lanyard <br>