Rip Curl Omega 1/5mm Mens Short Sleeve Wetsuit Jacket The Omega 1/5mm Short Sleeve Jacket is a great short sleeve men's wetsuit jacket for the shoulder seasons. It has been made with 1/5mm high-quality neoprene and designed with a lower back zip for ease of entry and flexibility. It is easy to take off and pop on and allows you to get protection from the sunshine and elements. It also will assist in preventing rash during those warm summer months. Features   Composition : 80% neoprene 20% polyamide Flexible Easy to Store Easy to change in and out of. Light in weight. Rip Curl Omega 1/5mm Mens Short Sleeve Wetsuit Jacket - Black/Blue