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The first-ever Plantar Fasciitis 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 PF Sock features Compression Zone Technology that is designed for proper foot support.
The OS1st FS4 Socks are designed to help relieve pain from plantar fasciitis, foot fatigue, and arch and heel pain. These socks are anatomically designed to fit the left and right foot, providing a more custom-like fit. The lightweight and seamless design makes these socks easy to wear during any daily activity or sport. Medical grade compression throughout the socks help to provide the needed support and improve circulation. Made of high-quality materials, the socks are breathable and keep you feeling fresh. Please refer to our sizing guide to ensure you are getting the best fit.
Size | Average 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: 10.5+ |
X-Large | M: 13.5+ |
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FS4 Crew Socks | FS4 No Show Socks | FS4 Quarter Crew Socks | FS4 Merino Wool Socks | FS4+ Compression Socks | |
Customer Reviews
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4.0 out of 5 stars
46
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4.6 out of 5 stars
691
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4.5 out of 5 stars
158
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4.4 out of 5 stars
147
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4.7 out of 5 stars
3
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Price
| $29.99$29.99 | $24.99$24.99 | $24.99$24.99 | $29.99$29.99 | $49.99$49.99 |
For Plantar Fasciitis
| ✔ | ✔ | ✔ | ✔ | ✔ |
Seamless Design
| ✔ | ✔ | ✔ | ✔ | ✔ |
Compression Zones
| ✔ | ✔ | ✔ | ✔ | ✔ |
Wear anytime
| ✔ | ✔ | ✔ | ✔ | ✔ |
Moisture-wicking
| ✔ | ✔ | ✔ | ✔ | ✔ |
Helps Heel & Arch Pain
| ✔ | ✔ | ✔ | ✔ | ✔ |
Merino Wool Fabric
| ✘ | ✘ | ✘ | ✔ | ✘ |