Merino Wool Blend Socks: 40% Merino Wool blend with Moisture Wicking Fiber, which deliver max performance on moisture control and thermal regulate.Moisture Control: The Moisture Wicking Fibre are designed to wick away sweat and moisture. Keep your feet dry and comfortable all day.Tempreture Regulation: Premium Merino Wool keep feet warm in Winter and cool in Summer, natural thermal regulate without itchy.Reinforced Heel and Toe: These hiking socks are fully and heavy cushioned, the toe and heel are reinforced to reduce foot pain, fatigue and avoid blisters during wearing.Low Cut Style: Perfect length for boots. Size 10-13 fit most US Men shoe size from 6-12. Perfect Gift for holidays.