**Restricted to USA and APO/FPO sales**ALPHA is an ecosystem - - modular and scalable to meet the unique demands of those who face the unknown. Whether a soldier is configuring a weapon or a load carriage, versatility is key. That's what inspired the ALPHA concept, a design that offers multiple configurations based on the mission and methods of infiltration. ALPHA is a three-part system composed of a frame, gasket and goggle. A single lens works across all platforms.Lightweight O Matter(TM) frame materialUnobtainiumA(R) nosepads increase grip with perspirationOakley performance shield lens technology with HDOA(R)Thin stem technology optimizes durability and compatibility with over-ear protection and communication systemsCompatible with HELO-ALPHA accessoryTrap Door lens exchangeEnhanced field of viewPrizm(TM) lenses available with built-in anti-fog coatingOO9296-05 & OO9296-07 Comes with an additional grey lens