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Smartwool's PhD Run Light is Smartwool's most advanced and best-fitting running socks to date. Packing years of testing, protoypes, and running smarts into a single pair of socks, these socks tout Light Elite cushioning in the ball and heel for ultimate shock absorption, and a women's-specific mesh ventilation zone Virtually Seamless toe enhances comfort beyond belief.
- 4 Degree Elite Fit System gives a dialed, performance-oriented fit with flex zone at the ankle joint
- Indestructawool patent-pending technology provides exceptional durability and comfort
- Light elite cushioning provides maximum impact protection with targeted cushioning and is designed specifically for runners
- Body-mapped mesh zones for added breathability
- Virtually Seamless toe for enhanced comfort
- Achilles tab
- Women's-specific fit for a narrower heel and slimmer fit