Padding Level: Moderate Cushion Key Benefits: Maximum Protection = Maximum Comfort Proudly MADE in the USA | North Carolina Thorlos clinically-tested padding under the ball and heel provides maximum protection from friction, the primary cause of blisters, and impact protection where needed most Cushioned instep and arch plus spandex for a better fit, more support and less pressure on the feet for more comfort while exercising Constructed with THOR•LON fibers for superior softness, resilience, durability, and moisture-wicking for drier, better feeling feet Low profile toe seam won't rub or irritate your foot Fiber Contents: 83% Exclusive THOR•LON Acrylic , 12% Stretch nylon , 5% Spandex