Made in USA of domestic and imported yarns.
Exclusive THORLON yarn promotes circulation and holds top in place. Unique padding in the ball and heel for enhanced mobility and maximum protection, clinically shown to reduce blisters, pain, pressures and moisture. Thorlo - Moderate Cushion Over-Calf Anti-Fatigue Military Socks | MS Fiber content: 85% THOR•LON® acrylic, 9% nylon, 6% elastic. Flat knit instep and cushioned arch for a better fit and support.