The OS1st Merino Wool Plantar Fasciitis socks are crafted with 100% Recycled Merino Wool and Ultra-Soft Nylon to give you natural moisture-wicking and increased temperature regulation. Combined with our patented Compression Zone Technology specially designed to target Plantar Fasciitis, makes this a must-have for your sock drawer; Keeping your feet warm and cozy while fighting plantar fasciitis.
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
- Extra cushioning without the bulk
- Anatomical left/right design for perfect fit
- Anti-bacterial fabric
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+ | |
FS4-CREW-MERINO