Give your best with the efficiency and comfort of certified ZQ Merino wool in our Light Cushion Crew hiking socks. As an evolution of the PhD® Outdoor line, we have revamped our best hiking socks by using even more sustainable materials like recycled nylon, which enhances durability and comfort while providing an even better fit. Don’t hesitate! The technology of our proven socks won’t let you down and continues to offer the comfort and performance you expect from Smartwool. The calf cushioning provides protection on long trails, and the light base cushioning helps you relax when the ground is challenging... supporting you to continue on your path step by step.