The O"Brien Vixen Women"s Life Jacket is a 1.5 mm neoprene outer life jacket with a comfortable fit. Equipped with 2 belts and a zip for security and a hip design wearing life jackets just became cool again. It"s a slim lightweight design that won"t leave you complaining about a bulky fit or annoyance on the water. With wide armholes you will be able to do whatever activity you enjoy the most on the water without feeling constricted. Most importantly is it is Coast Guard approved.