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Plantar Fasciitis Socks - No Show - Merino Wool

: Merino Wool - Grey

The OS1st Merino Wool Plantar Fasciitis socks are crafted with 100% Recycled Merino Wool and Ultra-Soft Nylon to give you natural moisture-wicking and increased temperature regulation. Combined with our patented Compression Zone Technology specially designed to target Plantar Fasciitis, makes this a must-have for your sock drawer; Keeping your feet warm and cozy while fighting plantar fasciitis.

Targeted Conditions

  • Plantar Fasciitis
  • Foot Fatigue
  • Arch/Heel Pain

Performance Features

  • Medical Grade Support
  • Y-Gore heel for anatomical shape
  • Patented Compression Zone Technology®
  • Seamless Construction
  • Extra cushioning without the bulk
  • Anatomical left/right design for perfect fit
  • Anti-bacterial fabric

Care Instructions: Wash gentle, air dry. No bleach or fabric softener.  

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+


Customer Reviews

Based on 9 reviews
Maribel Gonzalez
They are breathable, comfortable, soft, with the right support

I have the regular and the merino version of these socks and I greatly prefer the merino. They don't get hot. They are breathable, comfortable, soft, with the right support I need. Love the tab on the back of the heel so it doesn't ride down, easy to pull and stays in place.


These are the only relief I have found for my feet. I have several pair ,,,

Valued Customer
Excellent support

Really helped my plantar fasciitis

Christine M Brutchey
Saviors for My Feet

I love these socks. If you’re on the fence, buy them. You won’t regret it. These socks were recommended to me based on feedback from nurses who are on their feet all day. I bought one pair them searched for the website to order more. I’ve been wearing this brand of socks for about two years and they hold up well.
If you’re worried about wool, the material is soft not at all scratchy. It is warm but breathable.
I have plantar fasciitis and without compression socks, I can barely walk by the end of the day. The compression in these socks significantly minimize the pain. They’re like a hug for your feet. They’re not too tight but have great arch support. I have 5 pair of the merino no-show and several pair of the other styles. I wear these socks daily for work even in summer because the material of the other os1st socks doesn’t breathe so my feet sweat / stink in them. My only complaint is the limited color options. I would love to see white or blue in merino.

Robin B.
Amazing relief

Continuous pain on my left foot led me down the road to purchase these. These are like a nice cradle to support the arch of my foot and make it happy. No more constant foot pain!