Designed to combine rugged strength and flexibility with maximum overall coverage Outstanding impact resistance, even at low temperatures Chemical, UVA & B, and stress-crack resistant Coated stainless steel pins provide simple but dependable hinge functionality Lens and frame combination of the Helix is ballistic rated to Z87+ and MIL-PRF 32432 standards Frames are constructed of TR90NZZ Premium clarity, color and contrast Interchangeable lens system designed to optimize performance in any environment Anti-fog treatment keeps your lenses clear and your eyes on the action Anti-reflective coating on inside of lenses Fits medium to large faces
