WSM Neck Ring (Also usable as a neck ring for neck entry) If the neck of your off-the-rack wetsuit is a little loose, you can adjust it by wearing this neck ring on the inside. Material: 3mm, Outer (flat skin), Inner (jersey) Height (width) 6.5cm, Single type M 35cm (The actual size is made smaller. It provides a snug fit when stretched.) * Please note that we do not accept price negotiations.