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ZOOT Ultra CompressRx Sock - Men's

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Item # ZOT0322

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Item # ZOT0322


The Zoot Men's Ultra CompressRx Sock features graduated compression from the ankle to the top of the calf which helps remove lactic acid and improve blood circulation back to the heart—all while you train for your marathon or crank out the miles on your bike.

  • ZoneRx knit structure provides muscle-specific zones of compression to stabilize the calf muscles and reduce damage during exercise
  • CRx design offers graduated compression that starts at the foot and gradually legs up toward the top of the calf to promote blood flow back to the heart
  • Achilles tendon support and seamless toe construction for comfort
  • Padded foot soles prevent foot irritations
  • Compressed arch support promotes blood flow out of the foot and reduces fatigue
  • Air-zone open knit construction supplies maximum breathability

Tech Specs

85% nylon, 15% spandex
above calf
Recommended Use:
endurance sports
Manufacturer Warranty:
1 year

Size chart


Men's CompressRx Socks
Calf 12 - 15in
(30.5 - 38cm)
15 - 17.5in
(38 - 44.5cm)
17.5 - 20in
(44.5 - 51cm)
Women's CompressRx Socks
Calf 9.5 - 12in
(24 - 30.5cm)
12 - 15in
(30.5 - 38cm)
15 - 17.5in
(15 - 17.5cm)
Sport Socks - based on shoe size
US MEN 6 - 8 8 - 10 10 - 13
US WOMEN 7 - 9 9 - 11 11+
EU 38 - 41 41 - 44 44 - 48
Measure around the fullest part of your lower leg.

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Here's what others have to say...

4 5

He Zoots, he scores

  • Familiarity: I've used it several times
  • Fit: True to size

These are better than I expected. These are well-crafted socks that provide my legs with the necessary support needed for walks or hikes. I hope to get a few years out of these and given the quality, I likely will

5 5

Makes your feet feel better.

Use them in my ski boots, just the thickness/thinness I like, more on the thin side. They are not easy to get on by any means. Over the season you get feet issues, these helped make my feet feel good. For me it comfort started from the first use. Have had previous Zoot compression socks and these were easier to get on.

4 5

First Pair

This is my first pair of compression socks and so far so good. I have been runnign in them a few times and they seem to do what I need. Size chaet seems correct. They are hard to get on and off but there are some videos online that show how to get them off and on easy. I would suggest you watch them. They do seem a little warmer than my standard smartwool socks but not too bad.