Fiber content: 78% THOR•LON® acrylic, 12% nylon, 6% polyester, 4% elastic.
Unique padding in the ball and heel specifically engineered for on-the-job activities, clinically shown to reduce blisters, pain, pressures and moisture. Constructed with THORLON® fibers for superior softness, resilience, durability, and moisture-wicking for drier, better feeling feet.