Jetty: Dune Short - Carbon The Dune Short is a Jetty women's staple. A simple, two pocket, Tencel short with a 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: Premium Beach Short 100% Tencel (185GSM) Dark navy color: "Carbon"