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ZOOT Zoot Ultra CompressRx Thermal Arm Warmers

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Item # ZOT0317

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Item # ZOT0317


We must proclaim our love for the portable warmth of arm warmers, because we rely on warmers during most months of the year. The reason is simple. Most of our rides often involve long, winding trips into high elevations where we sweat it out on the way to the top and then, if unprepared, freeze on the way down. Thankfully, though, the Zoot Ultra CompressRx Thermal Arm Warmers take the benefits of arm warmers one step further by offering fatigue-lessening, recovery-aiding compression in addition to warmth.

The Ultra CompressRx Arm Warmers use Zoot's SynchroRx Thermal fabric to trap warm air against the skin, providing an 11-degree boost in surface temperature. Additionally, Zoot's CompressRx fabric creates graduated compression that improves blood flow back to the heart. The compression is highest around the wrist, reducing to lower compression toward the bicep and upper arm. Think of it as squeezing a tube of toothpaste from the bottom-up. Ultimately, this design lessens muscle fatigue by improving blood flow as well as by minimizing muscle oscillation from jarring roads. Further along the lines of the latter, Zoot's ZoneRx fabric covers the bicep in order to provide additional muscle support that combats road vibration.

The Zoot Ultra CompressRx Thermal Arm Warmers feature a Silver Tech treatment that prevents the growth of odor-causing bacteria. The warmers are available in the color Black and in six sizes from 0 to 5.

Tech Specs

[warmers] SyncroRX Thermal
SPF Rating:
Recommended Use:
cold weather exercise and recovery
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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