With artwork from iconic skier Chris Benchetler, our PhD® Ski Ultra Light Old Man Winter Print is designed to help you love powder days even more. Featuring Indestructawool™ technology for long-lasting wear, our 4 Degree™ elite fit system, mesh ventilation zones, and our signature Virtually Seamless™ toe for ultimate comfort, this is the perfect sock for a skier who wants inspired designs and socks made for technical ski boots.