SmartWool is used to getting praise for their naturally good socks. This new medium weight sock follows the lead of their award winning hiking socks. SmartWool uses New Zealand grown Merino wool for its ability to keep your feet warm, cozy, and blister free through mile after mile on long trails. The resilient fibers are spring loaded to keep the bounce in your step even after hours of walking. Itching and odors are eliminated by special treatments making these the socks to wear every time you hit the trail.