The Nike 5538 prescription glasses sold by RX Safety are a comfortable, lightweight frame for all day use. These official Nike glasses are made of plastic and are available in Black/Flash Lime, Black/Volt, Black/Photo Blue, Anthracite/Red, and Midnight Navy/Racer Blue, in two different sizes. The Nike 5538 is a square frame, that comes with a spring hinge, customized Zyl, and it is full-rim. If you like the Nike 5538 prescription glasses, go to our Nike prescription glasses. For more options check our Eyeglasses Collection.