WSM Neck Ring (also usable as a neck entry neck ring) This neck ring can be used to adjust the neck size of off-the-rack wetsuits that are a bit loose around the neck. Material: 3mm, Outer (flat skin), Inner (jersey) Height (width) 6.5cm, Single type XS 33cm, SM 34cm, M 35cm, ML 36cm, L 37cm, XL 38cm (Actual size is made smaller. It provides a snug fit when stretched.) * Please provide your size after completing your purchase. * We do not accept price negotiations. Thank you for your understanding.