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.

Spin your way to a new level of comfort and performance with Smartwool's latest cycling offering. The ultra light, non-cushioned sole, double ribbed cuff, and flat-knit toe seam are perfect for riding or hiking. 56% wool, 40% nylon, 1% spandex, 2% other. Black/red, silver or black. MD-XL.

Item Code: SMWXXSZL

Sizing Chart