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ZOOT Ultra CompressRx Sock - Women's

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Item # ZOT0323

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Item # ZOT0323


Whether you're training for a marathon or competing in a cycle cross race, reap the benefits of the Zoot Women's Ultra CompressRx Sock. Thanks to its three different muscle-specific zones of compression, the Ultra CompressRx stabilizes the calf muscle, helps remove lactic acid, and improves blood circulation during exercise.

  • 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 from the foot and gradually gets less compressed 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 sole 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...


very good socks

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

I run half marathons, and these socks really helped. Recovery was way faster with them, and also improved my time.

They are comfortable, and you can feel the compression.

They seem to be of very high quality and I hope they last long!


Love them

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

I love these socks. They are soft and comfortable. I got a 4 and they fit well. I am 5'5.5". I might have been able to wear a 3. I use them to help with an ankle injury because they keep my ankle nice and tight