These superb 4mm socks are specifically designed to provide thermal protection while enabling superb freedom of movement making them ideal for open water swimming use. The dura flex finished sole provides improved abrasion resistance and protection.

100% THERMOTECH XTEND NEOPRENE – Flexible, lightweight, super hydrophobic external lining that has excellent multi-directional stretch combined with a flexible quick dry thermal lining

DURA FLEX SOLE – Anatomically structured fit with great durability, protection and comfort

STRATA NEOPRENE – Embossing channels in the neoprene on the top of the foot improve the flow of water

FUTURE FIT 3D – A new construction technology that enables the form of the sock to hug the contours of your foot for ultra sensitive feel and increased warmth

GLUED & BLINDSTITCHED SEAMS – A watertight method of construction that results in superior warmth and maximum comfort

PERFORMANCE DRIVEN MINIMAL PANEL DESIGN – Strategically positioned seams reduce drag and improve comfort

TRUE THICKNESS – A warmer thicker product that doesn’t mislead our customers