The Columbia Men's Gray/Black Knit Crew Socks are a 4-pack of mid-calf socks perfect for casual occasions. Made of moisture-wicking polyester material, these crew socks feature a full toe design and are machine washable for easy care. The socks are designed with cushioning for added comfort, making them ideal for outdoor activities like walking. With a size range of 6-12, these Columbia crew socks are stylish and practical for the winter, fall, and spring seasons.