Product information, shoe sizes: 39-41, rapidly drying merino wool, particularly good upholstery, exceptional softness, excellent heat properties, moisture-repellent, improved heat control, highest heat properties, low weight, cooling effect, clever upholstery on rist, blast heel and shin, thicker, thick wool terry In the foot area, non -slip seat, comfort in hiking boots, convey moisture, durable, letting sock tip for a seamless toe area, high abrasion resistance