C Skins 2.5mm Neoprene Socks The C Skins 2.5mm neoprene socks are perfect to use with dive fins, bodyboard fins or general use in the water. These neoprene socks are ideal for protection and added warmth.  Although do not have any \'sole\' or print to provide added \'grip\' and being a nylon lined neoprene are not designed to walk on concrete/rough abrasive ground but will of course protect your feet/toes.   SIZE GUIDE 3XS - UK 4 - 5 XXS - UK 5 - 6 XS - UK 6 - 7 S - UK 7 - 8 M - UK 8 - 9 L - UK 9 - 10 XL - UK 11 - 12