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Smartwool's new and improved Hike Light socks, formerly PhD® Outdoor, bring you enhanced features to maximize comfort and help you get after it at the highest level. They've extended the durability zones to make them cover even more of the sock–offering the same comfort with even more strength. And they've updated their mesh zones to help improve breathability without sacrificing the perfect sock fit. Combine these features with a light cushion on the entire bottom of the foot and you get a sock that provides the highest degree of comfort, fit, and durability—helping you take care of your feet on any trail.
