Ultra Soft Nylon -High quality, durable, moisture-wicking treatment with anti-odor treatment

The first-ever Plantar Fasciitis sock featuring award winning, patented FS6^® technology. A technical performance sock that strengthens the foot structure and prevents Plantar Fasciitis symptom onset as well as overuse injuries. With precise targeted compression levels and cushioning, the FS4 Plantar Fasciitis sock features Compression Zone Technology^® that is designed for proper foot support.