Jetty: Women's Dune Short - Carbon, Dark Navy Blue The Dune Short is a Jetty women's staple. A simple, two pocket, Linen, Viscose blend short with a tassel drawstring and elastic waist, this short is easy to throw on as you head to sunrise on the beach, casual enough to walk around town, and light enough to keep on all day. DETAILS: 55% Linen 45% Viscose (148 gsm) S = Size 4-6 M = Size 8