These clean-looking Polarized črna Plavajoča rubber Očala provide physical prdečaection, the right amount of coverage and have an excellent UV-400 lens integration to prdečaect the user from harmful UV rays. The Knox have side prdečaection and a large lens. The Knox Plavajoča Očala come with super comfy design and an adjustable and flexible head strap, to make sure the Očala fit different faces properly.