Description Fourth Element Thermocline Socks. Great alternative to neoprene socks for extra warmth under neoprene boots. With flat lock stitching and fleece lined fabric, they are ideal under neoprene boots. Thermocline socks help to keep the feet warmer and assist with the donning of a wetsuit by providing a low friction contact between the feet and the inside of the wetsuit. 33% Econyl® Recycled Nylon / 57% Polyester / 10% Elastane
