Rattler nylon indirect vented elastic strap dielectric glasses. Features interchangeable 3-position ratcheting bayonet temples and an adjustable head band with each pair. A unique feature of the head band with hook and loop closure is the ability to adjust with one hand while wearing. This also features full length, non-slip thermal plastic rubber temple sleeves for comfort and grip. Its rugged polycarbonate lens filters 99.9-Percent UV rays. A closed cell foam seal provides optimum protection from dust and debris. Meets or Exceeds ANSI Z87+. The light weight nylon frame and polycarbonate wrap-around lens design provides greater side impact protection. Available in black color frame and clear anti-fog lens.