When you're 10 miles short of a century, the last thing you should be thinking about is your feet. Unless you're wearing these cycling socks, in which case you're probably thinking about how comfortable your feet are. Here's why: Merino helps wick moisture and regulate body temperature, the 4 Degree elite fit system delivers a dialed fit and the Virtually Seamless toe protects against abrasion. Indestructawool technology enhances durability.<br><br><b>PhD</b><br>Built for Performance in the Highest Degree<br><br><b>4 Degree Elite Fit System</b><br>Uses two elastics for greater stretch and recovery to keep the sock in place<br><br><b>Indestructawool</b><br>Indestructawool technology features a patent-pending construction method for exceptional durability and comfort<br><br><b>Mesh Venting</b><br>Men's-specific mesh ventilation zones provide additional breathability and moisture management<br><br><b>Ultra Light Cushion</b><br>Non-cushioned for maximum performance in close-fitting cycling shoes<br><br><b>Care</b><br>Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.