Winter socks with a differentiated structure, ensuring maximum comfort for the foot even in extreme uses and guaranteeing thermal insulation. Reinforced areas on the heel and toe. Double reinforcement against abrasion from boots and shoes. Flat seams to avoid pressure points. Composition: 53% coolmax, 25% polypropylene, 20% polyamide, 2% elastane. Grey color. Available sizes: S (36/39), M (40/43), L (44/47). Gross weight: 90 grams. Made in Italy.