OS1ST | FS6 Performance Foot Sleeve




The FS6® Performance Foot Sleeve is incredibly effective at relieving the pain of Plantar Fasciitis, chronic arch and heel pain, and swelling in the foot. Compression Zone Technology® knit into this amazing foot sleeve provides medical grade orthopedic support to the foot structure and the Achilles tendon. Graduated compression improves circulation and reduces swelling, all in an ultra-comfortable moisture-wicking foot sleeve that can be worn under socks and inside shoes. FS6® can be used for resting therapy or overnight and gives morning pain relief from the first day. Worn as a pair, during your run or sport, FS6® functions as a strengthening support and Plantar Fasciitis preventative.

Targeted Conditions:

  • Plantar Fasciitis
  • Swollen Feet
  • Arch/Heel Pain

Performance Features:

  • Provides continuous stretch of the Plantar Fascia
  • Supports the arch and overall foot structure
  • Stabilizes Achilles tendon and ankle
  • Creates a better sense of balance
  • Medical Grade Compression

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


Comes with two (2) compression foot sleeves per package.

Before ordering, use this size chart for accurate fit. 

SizeArch CircumferenceAverage Shoe Size
XS4-6 in10-15 cmUS: C12-M3US:C12-W4UK: 0-2EU: 32-34
S5-8 in13-20 cmUS: M 3-5.5US: W 5-7.5UK: 2.5-5EU: 34-37
M7-10 in18-25 cmUS: M 6-9.5US: W 8-11UK: 4.5-8.5EU: 37.5-43
L9-13 in23-33 cmUS: M 10-13US: W 11.5+UK: 9-12EU: 43-47
XL11-15 in28-38 cmUS: M 13.5+UK: 12.5-15EU: 48-51
XXL13-18 in33-46 cmUS: M15.5+UK: 15.5+EU: 51.5+

Additional information


X-Large, Small, Medium, X-Small, Large