A light and polarized sunglasses with a very good fit with a larger head. Very light, therefore comfortable to wear longer. The polarizing filter is to be able to sufficiently good water refraction or by -surface look good. It can not, however, read all more displays. (If yes for most pole-glasses like that. Deformable and thus relatively unbreakable. The eyes are well protected. Also the side can hardly think of light. The Price 20.00 highly recommended.