Cross-country skiing makes you work up a hefty sweat, so give your feet a breath of fresh air with these Smartwool PhD Nordic Ultra Light Socks. These merino wool socks will keep your feet toasty in frigid temperatures while the strategically placed mesh ventilation zones help them breathe when you push yourself harder.
Smartwool PhD Nordic Ultra Light Socks Photo
Arctic Blue and Black.
Available sizes, while supplies last, include size small, size medium, size large and size extra large: s, m, l, xl.