1.5 high 4 wide WARM INSULATION: Experience durability at its peak with the Smartwool Men’s Light Crew Hiking Socks. These socks are built for performance in the highest degree, making them ready for any adventure on your list. COMFORTABLE FIT: The Men’s Light Crew Hiking Socks feature a flat knit toe seam for additional comfort and an elasticized arch brace for a secure fit. DURABLE YET BREATHABLE: These socks are designed with mesh ventilation zones incorporated throughout for added breathability and comfortable, all-day wear. LIGHT CUSHION: The minimal cushioning on the Men’s Light Crew Hiking Socks allows you to wear these performance socks on various trails and road terrains without discomfort. Whether you are biking, running, skiing, or hiking, these socks will provide you with padded comfort during any season. CARE INSTRUCTIONS: Comprised of 69% Merino Wool, 30% Nylon, and 1% Elastane, the Men’s Light Crew Hiking Socks should be machine washed inside out in warm water and tumble dried on low. These socks should not be bleached, ironed, or dry cleaned.