FWN is a thick crew sock intended for cold winter days. It contains merino wool from 16 microns. This is a unique silky soft material that provides excellent thermal insulation in addition to having moisture removing properties. The sock is made of a two-layer. and smooth knit. The toe and Achilles heel section are made of a two-layer. reinforced plush, offering high mechanical resistance and protection against corns and calluses. Wool has excellent antibacterial properties and reduces unpleasant odours. Features: Superfine Merino, Australian farms guarantee the ethical treatment of sheeps, Odourless, breathable. Composition: 85% Merino Wool, 10% Polyamide, 5% Elastane.