Enjoying short but intense runs or going long distances on all terrains, in most weather conditions resulting in moderate to significant stress on the foot. Specifically engineered to deliver maximum protection and comfort in the critical strike zones for any runner prone to blisters, foot pain or discomfort.Constructed with THOR•LON® fibers for superior softness, resilience, durability, and moisture-wicking for drier, better feeling feet.Flat knit instep and cushioning in arch for better fit, more support and less pressure on the feet for a more comfortable run.Cushioning over the toes to help protect against runner’s toe.Fiber content: 86% THOR•LON® acrylic, 12% nylon, 2% elastic.Made in the USA.