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OS1st FS4 Plantar Fasciitis Socks

Get relief from Plantar Fasciitis and foot fatigue with OS1st FS4 Plantar Fasciitis Socks. These quarter crew socks feature award-winning, patented FS6 technology that aids in preventing Plantar Fasciitis symptom onset and acts as an overall foot health and performance aid during runs or sports activities.

Designed with precise targeted compression levels, the OS1st Plantar Fasciitis Socks feature Compression Zone Technology that provides proper foot support and helps prevent injuries. The soft moisture-wicking fabric is treated with anti-odour treatment and padding in the right places, creating a technical performance sock that strengthens the foot structure and prevents Plantar Fasciitis and overuse injuries.

Targeted Conditions: Plantar Fasciitis, Foot Fatigue, Arch/Heel Pain

To See why we think OS1st FS4 Plantar Fasciitis Socks are the best on the market read our blog post HERE

Performance Features of OS1st FS4 Plantar Fasciitis Socks

  • Medical Grade Support with Y-Gore heel for anatomical shape
  • Patented Compression Zone Technology for optimal foot support
  • Seamless Construction for added comfort
  • Moisture-wicking, extra durable & soft nylon fabric
  • Extra cushioning without the bulk
  • Anatomical left/right design for a perfect fit
  • Anti-bacterial fabric for odor control

Invest in the OS1st FS4 Plantar Fasciitis Socks for improved foot health and performance during physical activities. Say goodbye to foot pain and discomfort with these high-quality compression socks.

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Tulis FAQ's

1. What are Tuli’s Heavy Duty Heel Cups?

Tuli’s Heel Cups are shock-absorbing inserts designed to sit under your heel inside your shoes. The Heavy Duty version is thicker and provides extra cushioning for high-impact activity or long days on your feet.

See Our Entire Heel Cup Range

2. What shoes do they fit into?

They fit most lace-up shoes including runners, school shoes, work shoes and everyday sneakers. They may feel too snug in very tight dress shoes.

What’s the difference between Classic and Heavy Duty?

Classic = standard thickness for everyday shoes.

Heavy Duty = roughly twice as thick, ideal for sport, high-impact activity and roomier footwear.

How long do they last?

They’re durable, reusable and designed for daily wear. Most people move them between different pairs of shoes.