This Smartwool Hike Medium Crew 3-Pack of socks has the extra padding and support you need to tackle any outdoor adventure head-on. Crew socks that sit at the calf. Sold as three-pair pack. Medium cushioning that balances warmth and protection in colder weather. Bracing on the arch provides additional support for all day comfort. Flat toe seam helps reduce chafing and provide all day comfort. Style Number: SW0294P3 66 percent Merino wool, 33 percent nylon, 1 percent elastane. Machine wash, tumble dry. Made in the USA.