OS1st FS4+ Compression Bracing Socks

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  • OS1st FS4+ Compression Bracing Socks
  • OS1st FS4+ Compression Bracing Socks
  • OS1st FS4+ Compression Bracing Socks
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OS1st FS4+ Compression Bracing Socks

The OS1st FS4+ Compression Bracing Socks are designed as an all-in-one performance running and recovery sock. They feature OS1st's proprietary design with FS6 technology helping to strengthen your foot and leg structure, providing relief for ankle swelling, varicose veins, plantar fasciitis, achilles tendonitis, heel and arch pain, and shin splints. The FS4+ features compression zone technology that is designed for proper foot support and leg support, helping to prevent injuries. They are developed with the highest moisture-wicking fabric that contains an anti-odor treatment with additional padding in all the right places.

Product Features:

  • 4 zones of compression technology
  • Relieves and prevents symptoms from plantar fasciitis, foot fatigue, arch pain, and heel pain
  • Seamless construction
  • Over the calf sock height
  • Low-bulk shape
  • Anatomical design
  • Made from soft nylon for cushioning and durability
  • Anti-bacterial
  • Moisture-wicking
  • Blister protection
  • Medical Grade 20-30mmHg graduated compression
  • Each package contains one pair
  • Available in black, gray, or white

Ideal For:

  • Foot conditions: Recovery, Ankle Swelling, Varicose Veins, Plantar Fasciitis, Achilles Tendonitis, Heel/Arch Pain, Shin Splints

4+ zones of compression technology:

FS4+ Compression Zones


  • Small: Men's 3-5.5 / Women's 4-6.5
  • Medium: Men's 6-9.5 / Women's 7-10.5
  • Large: Men's 10-13 / Women's 11+
  • X-Large: Men's 13.5-15

Item #: OS1-FS4PLUS

Quick Overview:

The OS1st FS4+ Compression Bracing Socks are designed to provide a combination of cushioning, support, and compression, all in a over the calf design. These socks combine the benefits of a medical-grade foot support sleeve with the comfort and style of your everyday socks.

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Additional Information

Plantar Fasciitis
ING Source, Inc.
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