Heat Holders Women's Neck Warmer - Features Heat Holders Yarn™ specifically developed thermal yarn provides against high performance insulation with superior moisture breathing abilities. HeatWeaver™ Insulation is a plush fur-like thermal lining that keeps the warm air close to the skin. It's a versatile effective alternative to a scarf. Contours around the chest, neck and chin to keep cold drafts out. Heat Holders yarn™Heat Weaver lining™Style: LHHNW701