Rooster Thermaflex^TM 2.5mm Neoprene Wet Socks are now softer and have more stretch than ever which allow these socks to span several shoe sizes. This makes it easier for you to find the correct size for your foot and a closer fit means warmer feet! Featuring glue and blind-stitch construction to prevent cold water flushing and help keep your feet warm, along with a comfortable seam layout designed to maximise comfort when sailing. The size chart shows the suggested size for each of these socks, allowing you to pick the one your require. Laundry instructions - we recommend hand washing in warm soapy water and allowing to air dry.