Our PhD® Run Ultra Light Pattern Micro socks bring together the comfort of Merino with body-mapped mesh zones for added breathability and an Achilles tab to help prevent sock slippage and provide you with a sock that can handle it all. Featuring our 4 Degree™ elite fit system for a dialed, performance-oriented fit, Indestructawool™ technology for enhanced durability, and Shred Shield™ technology to reduce wear from toes, our thinnest running sock helps keep you comfortable in your low-cut running shoes for the long road ahead.
Built for Performance in the Highest Degree
For a dialed, performance-oriented fit with flex zone at ankle joint
Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort
Mesh ventilation zones provide optimum moisture management and maximum breathability
Non-cushioned for maximum performance in close-fitting shoes
Shred Shield helps reduce wear from toes