Smartwool Phd Snowboard Medium Socks - Women's: You’ll never wear any other socks for snowboarding when you have the Women’s Smartwool PhD Snowboard Medium Socks. With a 4-Degree Fit System, Wool-on-Wool Technology™ to reduce shock and abrasion, and Merino wool and mesh zones to keep your feet cool and dry, the Smartwool PhD Snowboard Medium Socks will get you through any winter weather on the mountain.