Unisex Design: Perfect for both men and women, these socks cater to a wide range of users Omni-Heat Technology: Columbia's signature thermal reflective technology keeps your feet warm and comfortable during outdoor activities Nylon Fabric: Durable and lightweight, these socks are built to last and provide excellent support Crew Length: Ideal for hiking, these socks provide ample ankle support and protection Grey Solid Color: Neutral and versatile, these socks match with a variety of outfits, making them a great addition to your wardrobe Experience comfort and warmth on your outdoor adventures with our Columbia Omni-Heat Hiking Crew Socks. Crafted from durable Nylon, these unisex socks feature a thermal lining for added heat retention, making them perfect for hiking or cycling in cooler temperatures. The crew length provides optimal coverage, while the closed toe ensures a secure fit. Machine washable for easy care, these socks come in a solid grey color and are available in medium size, fitting US men's 6-9 and women's 8-11.5.