Smartwool socks have always been smarter than the rest. Now they've earned a doctorate in performance and comfort. The new PhD line of socks is designed for maximum performance, tuned specifically for cyclists' unique needs. Included in PhD's new design is SmartFit System II, a proprietary four-band support system that keeps the sock in place. Here's your prescription for secure performance and comfort.

Non-cushioned with a flat-knit toe seam and 1 x 1 welt cuff to deliver a secure fit. Waffle knit instep for added ventilation. New strategically placed impact zones provide added shock absorption. 57% wool, 40% nylon, 1% spandex, 2% other. Black or silver. MD-XL. Size and color selection may be limited.

Item Code: SMWXXSZK