The OS1st FS4 Plantar Fasciitis Compression Socks help runners stay active while treating arch and heel pain from plantar fasciitis! With a Y-Gore heel to cradle your foot in place and four zones of medical-grade compression, these anatomically correct socks are designed to stimulate blood flow and improve circulation, helping with active recovery in addition to pain relief. And, like any good performance sock, they are anti-microbial and made from moisture-wicking materials, helping to prevent blisters and keep your feet odor-free. The seamless construction of the sock also happens to prevent blisters and hotspots, making the OS1st FS4 Plantar Fasciitis Compression Socks some of the most comfortable around!

Merino Wool - 100% recycled material, moisture-wicking, added warmth, durable, soft

Sizing (by shoe size):

Small - M 3 - 5.5 / W 4 - 6.5
Medium - M 6 - 9.5 / W 7 - 10.5
Large - M 10 - 13 / W 11
X-Large - M 13.5 - 16