Thermal Hot Socks - Code 4526 Designed to be worn alone or over drysuit seals for extra protection, our Thermal Hot Socks ensure maximum comfort and warmth. Crafted from a 4-way stretch, moisture wicking fabric, these lightweight, flexible socks with plush lining for comfort. Suitable for a multitude of water sports including sailing, dinghy, paddlesports and boardsports such as windsurfing and kayaking. Color - Black Sizes - As listed below Flatlocked seams for comfort 84% Polyester / 16% Elastane 4-way stretch Thermal fabric Silicon grip pattern on sole SmallUS Women 5-8US Men 3-6UK 2.5-5Euro 35-38MediumUS Women 9-11US Men 7-9UK 5.5-8Euro 39-42LargeUS Women 12US Men 10-12UK 9-11Euro 43-46X-LargeN/AUS Men 13-15UK 12-14Euro 47-49