Os1st FS4 Plantar Fasciitis Crew Compression Sock White Size:M •Rubber outsole

•Rubber outsole

Easy on and off design

•Leather and textile linings

Introducing our travel-ready Z/Cloud series

Os1st FS4 Plantar Fasciitis Crew Compression Sock White Size:M •Rubber outsoleOs1st FS4 Plantar Fasciitis Crew Compression Sock White 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.