Description
OS1s FS4 Plantar Fasciitis Socks - Quarter Crew
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 Plantar Fasciitis sock features Compression Zone Technology® that is designed for proper foot support.
Targeted Conditions
- Plantar Fasciitis
- Foot Fatigue
- Arch/Heel Pain
Performance Features
- Medical Grade Support - improves foot alignment, reduces pressure points, and hugs the sock to the foot to prevent slippage that can lead to blisters.
- Y-Gore heel for anatomical shape
- Patented Compression Zone Technology®
- Seamless Construction -minimizes friction and hot spots, preventing blisters from forming.
- Extra cushioning without the bulk
- Anatomical left/right design for perfect fit
- Anti-bacterial fabric
- Moisture wicking - keeps your feet dry and comfortable, reducing the likelihood of blisters due to sweat.
Care Instructions: Wash gentle, air dry. No bleach or fabric softener.
Before ordering, use this size chart for accurate fit.
| Size | Average Shoe Size | |||
| S | US: M 3-5.5 | US: W 4-6.5 | UK: 2-4.5 | EU: 34-37 |
| M | US: M 6-9.5 | US: W 7-10.5 | UK: 4.5-8.5 | EU: 37.5-43 |
| L | US: M 10-13 | US: W 11+ | UK: 9-12 | EU: 43-47 |
| XL | US: M 13.5+ | UK: 12.5+ | EU: 48+ | |