Our Hike Light Cushion Crew, formerly PhD® Outdoor, is designed to help you hike farther in more comfort. This men's hiking sock debuts new enhanced features, like improved mesh zones, added durability, and a more sustainable construction with the use of recycled nylon. And our tried-and-true sock innovations work as you do—helping to take care of your feet as you step towards the summit. A crew height helps add coverage on the trails and light cushioning along the entire bottom of the foot helps keep you comfortable when the ground isn't. Experience the power and natural performance of responsibly sourced, ZQ-certified Merino wool with these Smartwool® socks.