OS1ST | Compression Bracing Socks – FS4+




Made with 20-33 mmHg graduated, medical-grade compression on FDA registered machinery. Designed for proper foot, Achilles, and leg support and muscle recovery. For the best fit, it is important to use the size chart before ordering.

  • Targeted conditions: post-workout recovery, swelling, Plantar Fasciitis, Achilles Tendonitis, shin splints
  • Medical grade compression made on FDA registered machinery

 Included in all Socks with Purpose®

  • Micro-nylon treated with silver-ion technology to keep dry and prevent odor
  • Seamless construction and left/right design for 360-degree blister protection
  • Y-Gore heel to prevent the sock from slipping down into your shoe

Care Instructions: Hand wash with mild soap and air dry. No bleach or fabric softener. 


Before ordering, use this size chart for accurate fit.

SizeArch CircumferenceAverage Shoe Size
S6.5-8.5 in17-22 cmUS: M 3-5.5US: W 5-7.5UK: 2.5-5EU: 35.5-28.5
M8.5-10.5 in21-27 cmUS: M 6-9.5US: W 8-11UK: 6-9EU: 39-43.5
L9.5-12.5 in25-31 cmUS: M 10-13US: W 11.5+UK: 9-12EU: 44-48
XL12-14 in30-35 cmUS: M 13.5+UK: 12.5-14EU: 48-49


Additional information


Small, Medium, Large