Socks

From flat trails to mountain trails to anything in between, a good hiking sock can make all the difference between “Yay! and “Nay!

Lacing up in at the trail head to topping out at the summit, the Men’s Fastpack hike sock matches our most trusted durability and tech with a dapper striped look.

Perform with the power and comfort of ZQ-certified Merino wool in the Hike Light Cushion Crew socks—formerly known as PhD® Outdoor.

Meet the one sock you'll need all winter.

You'll never want to take The Everyday Joviansphere Crew Socks off.

Over 25 years ago, Smartwool invented the original Merino wool performance sock—the Classic Hike.

The new and improved Hike Light socks, formerly PhD® Outdoor, bring you enhanced features to maximize comfort and help you get after it at the highest level.

Perfect fit. Powerful durability. That's what you get when you put on our Hike Light socks—formerly known as PhD® Outdoor.

Bring the natural performance features of responsibly sourced ZQ-certified Merino wool with you on every hike in our Women's Hike Light socks (formerly known as PhD® Outdoor).

Perfect fit. Powerful durability.

Get ready for comfort-filled hiking, mile after mile.

Hike how you like in our responsibly sourced ZQ-certified Merino wool Hike Light socks.