These socks are great if you experience foot pain due to having flat feet.

Wearing the FS4^TM 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 FS4^TM features Compression Zone Technology^® that is designed for proper foot support and injury prevention. Add to that, soft moisture-wicking fabric with anti-odor treatment and padding in the right places which creates a technical performance sock that strengthens the foot structure and prevents Plantar Fasciitis, as well as, overuse injuries.

Targeted Conditions:

Plantar Fasciitis
Foot Fatigue
Arch/Heel Pain

Performance Features:

Medical Grade Support
Y-Gore heel for anatomical shape
Patented Compression Zone Technology^®
Seamless Construction
Moisture wicking, extra durable & soft nylon
Extra cushioning without the bulk
Anatomical left/right design for perfect fit
Anti-bacterial fabric

Comes with one (1) pair of socks per package.

The OS1st® FS4 Plantar Fasciitis Sock has a comfortable, shaped fit. The high performance design delivers four different zones of compression. This is a product that is comfortable and easy to wear daily. Don’t let bulky and uncomfortable splints keep you from your peak performance.

Defend Your Foot’s Health

Our FS4 Plantar Fasciitis Socks reduce and prevents pain and injury from active lifestyles. Save yourself the hassle of putting your feet up and work on recovering! The OS1st® FS4 Plantar Fasciitis Socks are a perfect fit for your active lifestyle!

Sunburst Short Sleeve Top