Introducing the new PhD® Outdoor socks with Indestructawool™ technology, a patent-pending, merino wool-based durability construction made to outlast your greatest adventures.
PhD® Socks represent the highest degree of performance. We pack these wool socks chock full of smart features, advanced technologies and dialed fit systems. They’re hiking socks that help you forget about what you’re wearing and focus on the trail ahead. Because you’ve got miles to go, and you couldn’t be happier.