Thin, breathable and amazing Merino wool comfort.

For those who wish to maximize your time running and walking in comfort and minimize the amount of sock on your feet, the PhD® Outdoor Ultra Light Mini is made for you. It’s light in weight, but heavy in tech, making it the ideal (out)side-kick.

PhD® socks represent the highest degree of performance, leveraging decades of sock-making expertise. These feature additional technologies like Indestructawool™, a patent-pending Merino woolbased durability construction, and SmartWool’s 4 Degree™ Elite Fit system for maximum in-shoe comfort.

Mesh ventilation zones provide optimum moisture management and maximum breathability

Material 48% wool, 48% polyamide, 4% elastane