OS1st Plantar Fasciitis Socks Size:Xlarge Wrist-based heart rate: Alerts you

Wrist-based heart rate: Alerts you if your resting heart rate is too high

Weight tested to support up to 550 lbs

The Wave Horizon 5 delivers one-of-a-kind cushioning through MIZUNO ENERZY and XPOP

Designed to meet your race day and training run needs with a back zipper to store all your small essentials

pace and heart rate data right on your wrist

OS1st Plantar Fasciitis Socks Size:Xlarge Wrist-based heart rate: Alerts youOur first ever Plantar Fasciitis sock featuring award winning, patented FS6 technology. Wearing the FS4TM PF socks during runs or sports activity will aid in preventing PF symptom onset and act as an overall foot health and performance aid. With precise targeted compression levels, the FS4TM features Compression Zone Technology that is designed for proper foot support and injury prevention. Add to that, soft moisture wicking fabric with anti odor