The first-ever Plantar Fasciitis sock that strengthens the foot structure and prevents Plantar Fasciitis symptom onset as well as overuse injuries. Prevent Plantar Fasciitis symptoms and foot fatigue with our Plantar Fasciitis Sock. Featuring Compression Zone Technology® and medical-grade support, it strengthens foot structure and provides relief from arch/heel pain. Please refer to the size chart to accurately determine size