Smartwool. Pedals like hell. Feels like heaven. Our PhD® Cycle Ultra Light Divide Trail Print Crew helps bring more comfort to every ride. With our Indestructawool™ technology for enhanced durability, our 4 Degree™ elite fit system for a performance-oriented fit, and more sock technologies designed to elevate comfort and breathability, these Merino wool Cycle socks will help you ride faster, longer, and farther.