Model Number:

The Pearl Izumi Women's Fly Thermal Run Top will keep you warm on a cool run with a super soft brushed interior and other warmth-providing features. The half-zip design allows for ventilation to ensure that you won't overheat, and the fabrication provides you with an efficient moisture-management system to keep you dry and comfortable. Reflective branding will keep you visible in low-light conditions.


  • Approx. 2.25" mock neck for added coverage and warmth
  • Approx. 10'' half zipper with garage and internal draft flap for adjustable ventilation  
  • Thermal fleece, soft brushed fabric on inside for increased warmth]
  • Flatlock seam construction to prevent chafing
  • Ergonomic construction for an accurate fit and increased freedom of movement
  • Thumbholes with internal fist mitts provide warmth and coverage, when needed
  • Reflective branding in front and back for increased visibility in low-light settings


  • Main body: (100% Polyester), a moisture-wicking fabric with brushed, thermal interior 

Apparel Performance Characteristics

Apparel Fit:

  • Fitted
  • Semi-Fitted
  • Relaxed

Temperature Range °C:

  • Cold
    • Below 0
  • Moderate
    • 0-10
    • 5-15
    • 10-20
  • Hot
    • 20+

Fabric Thickness:

  • Thin
  • Medium
  • Thick

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