NWT! Color: grey/orange Our updated Mid-Calf Boot Socks are specifically designed with our men’s and women’s boots in mind, and proudly made in the USA. Building on our fan-favorite classic boot sock, we upped the stakes with a breathable blend featuring 61% COOLMAX® ECOMADE polyester that’s soft and supportive throughout the longest days on your feet. Made for all-season comfort, they’re the perfect length for your zip and roper boots.