If you're looking for over-the-calf warmth and comfort while skiing, our PhD® Ski Medium socks should do the trick. With our Indestructawool™ technology for enhanced durability, our Virtually Seamless™ toe for enhanced comfort, and our 4 Degree™ elite fit system for a dialed, performance-oriented fit, our thickest ski socks help you focus on the adventure in front of you without uncomfortable feet interrupting any of the fun.