The Smith Men's Longfin Elite Performance Sunglasses are an all-purpose sunglass designed to provide the versatility you need from the flats to the rivers. These sunglasses feature a medium to large fit as well as a large coverage that is supported by integrated megol side shields and thin, flexible temples to provide all day comfort and full-glare protection. The Longfin Elite are made of a nylon frame material and high impact lens material for better performance and durability. The Longfin Elite will become your sunglasses of choice for all adventures!