... .Dot printing on bottom, anit-slip and durable Item YKSK004Description 2.0MM flat-lock neoprene socks for beach &surfingMaterial Neoprene, NylonSize S ... , L, XLFeatureMade of warm, lightweight,stretchable, highly water resistant of 2.0mm neoprene. Good fit with most boots. Wear them while swimming ...