Outdoorsman Diamond Hard is an evolution from Aviator and Outdoorsman model. The most special about this model regarding is lens. Using Diamond Hard lens type make make its more thicker and durable 10x compared with others Aviator models. You can see the diamond logo on top of right lens and also at the casing. This ODM have a sweat bar, and also marking "BL USA" ontop of bridge. More choice come with 5 various colour, grab it now this BL Ray ban Sunlasses Outdoorsman Diamond Hard.