The SmartWool PhD Graduated Compression Ultra Light Sock combines all of SmartWool's most advanced technology to create a sock that insulates, dries, cushions, breathes, and even applies compression from the toes to the calf to aid circulation and speed recovery.
Graduated compression keeps feet from swelling as you exercise, which improves performance and speeds recovery
Wool Over Wool knit pattern at impact zones creates extra cushioning and shock-absorption
Merino manages moisture and insulates even when wet so you don't get a case of cold feet
Strategically placed mesh zones allow perspiration to evaporate away
Ultra Light thickness means you won't even notice the sock under your boots
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