The Preston Waterproof Socks from Preston Innovations are designed to keep your feet dry throughout a full session, using a fully waterproof construction. A breathable membrane helps prevent a build-up of sweat, so your feet stay comfortable as well as dry. - Fully waterproof - Will keep your feet dry all session - Breathable membrane to avoid a build up of sweat - Available in two sizes - UK 6-9 EU 39-43 - UK 10-13 EU 44-48