Smith Riverside Sunglasses are the perfect shades for guys who like performance, comfort and an understated look in their eyewear. Made from Smith's durable and comfortable to wear Grilamid TR90, the frame of the Riverside represents the finest in quality. Spring hinges within the frame give a great fit no matter the shape of your head. With lenses made of Techlite glass, the Riverside provides outstanding visual clarity and scratch resistance. The TLT Construction of these Smith lenses contours the thickness of the lens so that the light travels through without distortion. The 8 Base Curve of these shades provide just enough wrap to protect you from the elements while still looking good. Whether hanging out by the side of the river, or just driving around town on a sunny day, the Smith Riverside Sunglasses are a classic in the making.