Bontrager Thermal Arm Warmer

In Stock (Please allow 3-7 Business Days for Delivery)


Unrestricted warmth

Stay warm and dry with the Thermal Arm Warmer. Pull on these warmers, and confidently clip in for an enjoyable and comfortable cold-weather ride. Reflective elements increase visibility, and Profila Thermal fabric traps heat and wicks moisture. A welcoming next-to-skin feel and a stay-put fit combine for sensible comfort.


  • Profila Thermal fabric traps body heat and wicks moisture, keeping you warm and dry
  • Anatomic left and right design
  • Soft, custom jacquard gripper with silicone print for a stay-put fit
  • Fitted cut provides streamlined body fit for enhanced performance


​Using a cloth tape measure or a piece of string and a ruler, measure the circumference of your wrist, the circumference of your bicep, and the length of your arm. Use the chart below to determine the proper arm warmer size based on your measurements.

 Size  Length  Bicep Wrist
XS <17-3/4" <10-1/2" <6-1/4"
S 18-1/8" 10-1/2" to 11-1/2" 6-1/4" to 6-1/2"
M 18-1/2" 11-1/2" to 13-1/2" 6-1/2" to 6-3/4"
L 18-7/8" 13-1/2" - 15-1/2" 6-3/4" to 7"
XL >19-1/4" >15-1/2" >7"

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