Gear up for your favorite trail and make sure you are ready for anything with this Smartwool Hike Medium Crew 3-Pack of outdoor socks. Crew-cut sits at the calf. Sold as three-pair pack. Medium cushioning that balances warmth and protection in colder weather. Elastic arch bands help provide outstanding support for all day comfort. Flat toe seam helps reduce chafing and provide all day comfort. Style Number: SW0130P3 66 percent Merino wool, 33 percent nylon, 1 percent elastane. Machine wash, tumble dry. Made in the USA.