Heat Holders - Ladies Thermal Hat, Converter Glove's Neck Warmer & Long Boot Socks Set Size 5-9 machine washable Four part Set of thermal wear - Hat, Converter Mitten Gloves, neck warmer scarf and Twist socks Heat Holders Yarn - Specially developed thermal yarn provides high performance insulation against cold with superior moisture breathing abilities. Heat weaving lining - HeatWeaver insulation is a plush fur-like thermal lining that maximises the amount of warm air held close to the skin. Cable Construction - Our stretchable rib construction contours around the natural shape of your head, hands and neck for improved fit, warmth circulation and comfort. Heat Holders - Best seller since 2010, providing a wide range of winter thermal products that we provide in the sock snob online amazon store. Great