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Most cold-weather athletes know that staying dry is essential to regulating your core temperature as you run, and that temperature regulation is essential to performing well. The Pearl Izumi Therma Phase Top features soft, synthetic fabric that wicks moisture from your body, allowing you to maintain your warmth, while a brushed interior feels smooth against your skin and provides additional warmth. The raglan sleeve construction allows for optimal mobility, a front zipper provides temperature control, and a back zipper pocket offers secure storage while you run.


  • Black/Fairway (3TC)
  • Electric Blue (3UU)
  • Screaming Yellow (428)


  • Approx. 10" zip with color contrasting lockdown zipper and windflap
  • 2" mock neck
  • Raglan sleeve construction for increased range of motion
  • Brushed interior
  • Back zipper pocket (6" zipper, 7"W x 7"H)
  • Reflective details for increased visibility in low-light settings 


  • SELECT Thermal Fleece: Body (100% Polyester), a moisture-wicking fabric with soft, brushed interior for thermal properties

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