This O'Neill Women's Deep Sea Comp Vest is constructed of Nytrolite foam that is more buoyant, 3 times lighter and offers better impact protection. Its closed cell foam structure absorbs 15-20% less water. With a segmented foam core and anatomical flex points with a strategic armhole fit, this women's comp vest offers maximum comfort and extreme mobility. The wind proof glideskin keeps the wearer protected while the heavy duty front zipper with a safety tab provides added security.