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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.

    Sizing:
    • 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

    Cycling

    Fabric

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

    Warmer Type

    Arm Warmer

    Gender

    Unisex

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