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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

Fuji Bicycles


Geometry Chart


Altamira LTD

Seat Tube


Effective Top Tube








Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop


Chainstay Length



44 44.0cm 51.5cm


36.3cm 72.1cm


72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm


37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm


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Here's what others have to say...


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


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.


    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.