Woot! has 3-Pair Athletic Wool Ankle Socks (Black, Medium) for $12.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Thanks to Deal Hunter StrongWeather642 for finding this deal.

About this item:

• Extra comfort for your feet – Made from an ultra-soft and non-itchy blend of 90% merino wool, real Merino wool has advanced hydrophobicity in our low cut running socks, helping to repel moisture. Premium hiking socks to keep your feet warm in winter and fresh in summer. The low-waisted design works well with all your running shoes, tennis shoes, and even work shoes.
• Special designed low cut athletic socks offers arch compression for perfect fit. Medium fit Men shoe size 6-8.5, Women shoe size 7-9.5. The entire family is able to enjoy premium wool running socks.
• Breathable, cushioned, anti-foaming – mesh ventilation structure design provides air circulation. Smooth seamless toes, thick yarn pads on heels and tips to prevent blistering and reduce impact and friction during exercise. Moisture wicking properties wicks away sweat, keeping your feet light and dry.