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Our PhD® Run Ultra Light Elite Pattern Micro socks aim to help elevate your running game with our favorite sock technologies. Featuring our 4 Degree™ elite fit system for a dialed-in, performance-oriented fit and Indestructawool™ technology for enhanced durability, our thinnest running sock can be worn perfectly with your favorite low-cut running shoes on the most demanding runs, trails, and paths.
Indestructawool™ technology for enhanced durability
4 Degree™ elite fit system for a dialed-in, performance-oriented fit
Body-mapped mesh zones for added breathability
Virtually Seamless™ toe for enhanced comfort
Achilles tab designed to prevent sock from slipping down into footwear