Rooster Thermaflex 2.5mm Neoprene Wet Sockskeep your feet warm!Now stretchier and softer than ever which allows 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! Great for hiking comfort and very toasty if you are trapezing.We think this will be the most comfortable pair of wet socks you will ever own!FeaturesSuper stretchy, comfortable liningSnug fitGlued and Blind Stitched to prevent cold water flushingSeam designed to maximize comfortWashing InstructionsWe recommend hand washing in warm soapy water and allowing to air dry.SizingTo use the size chart, select your shoe size and find the corresponding sock size. The material exhibits some stretch and a single sock size will span a number of shoe sizes.ThermaflexEU Shoe SizeUK Shoe SizeXXS/XS374385S/M39640.56.541.57.5ML/L42.58.543.59.54510.5XL/XXL4611.54713