Designed for feet that hurt. Offering an ideal combination of protection, comfort and durability for all career apparel needs. Constructed with THORa LONA(R) fibers for superior softness, resilience, durability, and moisture-wicking for drier, better feeling feet. Unique padding in the ball, heel and extended heel specifically engineered for demanding work, clinically shown to reduce blister, pain, pressures and moisture. Cushioned arch for a better fit and less pressure on the feet for more comfort. Spandex over-the-calf top holds in place all day. Low profile toe seam won't rub or irritate feet. Specifications Length: Over-Calf Cushion: Moderate Cushion Fiber Contents: 70% Exclusive THORa LONA(R) Acrylic , 24% Stretch nylon , 6% Elastic Proudly made in the USA