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 4 zones of Compression Zone Technology®, that is designed to lift and stretch the plantar fascia.
Targeted Conditions
- Plantar Fasciitis
- Foot Fatigue
- Arch/Heel Pain
Performance Features
- Optimum 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 -minimises friction and hot spots, preventing blisters from forming.
- Extra cushioning without the bulk
- Anatomical left/right design for perfect fit
- Silver Ion Technology - anti stink & anti-microbial fabric
- Breathable Yarns - keeps feet cool
- 360 Blister Protection
- Wide Toe Box - for natural toe splay
- Moisture wicking - keeps your feet dry and comfortable, reducing the likelihood of blisters due to sweat.
For more information read: Discover the Secrets of OS1st Compression: Everything You Need to Know, The Benefits of Compression Socks at Work and Plantar Fasciitis: causes, symptoms and how to find relief
Care Instructions
Gentle wash on cold. Allow to air dry. No bleach or fabric softener.
Size Chart
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+ | |