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