Wool and acrylic five-finger socks, providing warmth up to 23.0°C. I've been storing these at home, but I'm selling them because I don't use them. - Color: Gray - Size: 19-21cm - Temperature Rating: Up to 23.0°C - Material: Wool, Acrylic - Features: Five-finger socks - Warmth: Warm design Thank you for looking.