This product is not available.

Shop similar products

We can't always ride on fair weather days. Chilly days call for the Smartwool PhD Knit Arm warmers with an innovative new fabric, a comfortable fit and smart design details for greater performance.

  • Features

    • New 4 Degree Elite Fit System improves comfort; 2 elastics provide greater stretch and recovery to keep the warmers in place
    • ReliaWool is a patent-pending reinforcement construction that puts more wool in high wear/high impact areas to increase durability and comfort
    • Merino wool provides excellent temperature control and moisture management, so you're warm when it's cold and cool when it's warm
    • Nonbinding 1x1 ribbed welt construction at wrist and bicep opening keeps warmers in place
    • Strategically placed mesh zones provide ventilation for temperature and moisture management
    • Merino wool keeps you dry and resists odors
    • Smartwool is guaranteed not to itch and can be repeatedly washed and dried without shrinking
    • Seamless construction won't chafe your skin

    Made in USA.

    • SmartWool recommends buying the same size arm warmer as your normal base layer or cycling jersey size
    • Small/Medium: fits most women
    • Large/X Large: fits most men
    View all Smartwool Men's Arm Warmers
  • Technical Specs

    Best Use



    61% merino wool/36% nylon/3% elastane

    Warmer Type

    Arm Warmer



  • Reviews

    Loading Reviews...
  • Questions & Answers

    Loading Questions...