Reef Men's River Jetties II Boardshort: You don't have to live on the beach to do surfing. All you need to do is find a river, grab the Reef River Jetties board Short, and surf the whitewater. It contains 4 way mechanical stretch-fabric for comfort and ease. It has a quick drying technology along with a UV 50 protection. It features a 100% polyester fabric. A vintage Reef patch on left leg creates a style statement.