Description Wool Machine Wash Ultra Light Merino Single Pair Wool Socks: Made from a blend of Merino Single Pair Wool and Tencel fibers, these socks insulate when wet, keeping feet warm, dry and odor-free, making them ideal as running and hiking socks Custom-Like Fit: Targeted Compression, a zone-specific compression, and an anatomical design, creates a unique fit you can feel, reducing the risk of blisters and other common running sock issues Crew Socks: These womens and mens crew socks were created with a Seamless Toe to prevent irritation, ensuring a comfortable blister-free and moisture-free experience Superior Quality: The world’s most advanced natural and synthetic performance wicking fibers are used in these socks women can wear to keep their feet cool and dry Lifetime Guarantee: Feetures stands behind the quality of their womens socks and mens socks. If at any point you are unsatisfied with one of their products, you may return it for a replacement pair