Bring the natural performance features of responsibly sourced ZQ-certified Merino wool with you on every hike in the Smartwool Womens Hike Light socks (formerly known as PhD Outdoor). Thermoregulation, sweat management, and odor resistance join forces to help keep you comfortable all day long, while innovative sock technologies and light cushioning along the entire bottom of the sock help you take care of your feet on every hike. Theyve also updated their hiking sock construction to be more sustainable with the additon of recycled nylon, more durable, and more breathablewithout sacrificing that womens-specific, tailored-to-you fit. So you can tackle more trails and enjoy more summits.