Perform with the power and comfort of ZQ-certified Merino wool in the Hike Light Cushion Crew socksformerly known as PhD Outdoor. Smartwool has updated their best women's hiking socks to include more sustainable materials with the addition of recycled nylon, improved durability and mesh zones, and an even more perfect fit. But, don't worry. Their fan-favorite sock technologies aren't going anywhereoffering you all-day comfort and natural performance in a women's-specific fit. 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. Take care of your feet with Smartwool's best-fitting, best-feeling hiking socks.