Using Smartwool's responsibly-sourced ZQ-Certified wool and light cushioning, these running socks contain soft, targeted padding placed where runners need it most: on the ball and heel of the foot. They packed these socks chock full of smart features like our 4 Degree™ elite fit system, Shred Shield™ technology for improved durability in the toe box, and a Virtually Seamless™ toe. And the low-cut height is an ideal balance of protection and comfort. Sock Height: Low Cut Virtually Seamless™ toe for enhanced comfort2.25" overall heightMade in USA of Imported Yarns: 48% Merino Wool, 47% Nylon, 5% Elastane