Aviator sunglasses can get boring with a standard look that doesn't change much, at least until Biohazard comes along and shakes it all up. These great shades for men are made in the aviator style, but have an attitude and look that is all their own. The frame is made of metal, flexible and tough for durability and a nice fit. The arms are straight and thin and show off the Biohazard logo on the side. The lenses are large with a gradient brown finish that blocks out the sun.