Oakley SI Ballistic M Frame Alpha Sunglasses with Terrain Tan Frame and Grey Lens Replacement Lenses 6mm high-impact Polycarbonate lenses

6mm high-impact Polycarbonate lenses

Multi-layer foam blocks excess light

NVLAP #0427

Indirect vent

engineered to eliminate fog inside and prevent scratches outside

Oakley SI Ballistic M Frame Alpha Sunglasses with Terrain Tan Frame and Grey Lens Replacement Lenses 6mm high-impact Polycarbonate lensesALPHA 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 load carriage, versatility is key. Thats 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 with a single lens working across all platforms. Features: Durability