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No need to add multiple layers during your cold weather running endeavors when you can wear one layer that will actually generate heat: the Mizuno Breath Thermo® 1/2 Zip. Thin and soft, yet reliably warm, this thermal long sleeve reacts with your perspiration to provide all-around warmth as you run. An ergonomic fit allows for optimal performance.


  • Black (9090)
  • Dark Shadow (9890)
  • Lime (4I90)


  • Breath Thermo® fabric converts moisture to heat for overall warmth
  • Moisture-transfer material keeps you dry
  • 6" reflective front zipper
  • Back zipper pocket with reflective detailing  (4.5" zipper, 5.5"W x 4"H)
  • Raglan sleeve construction and ergonomic seamlines for optimal range of motion
  • Color contrast paneling
  • Anti-odor and deodorizing properties
  • Flatlock seamlines to prevent chafing 
  • Extended cuff with thumb hole design for added warmth


  • Breath Thermo: Body (90% Polyester/10% Polyacrylate), a moisture-wicking, soft fabric that has moisture-activated fibers that provide heat

Apparel Performance Characteristics

Apparel Fit: What's this?

  • Compression
  • Fitted
  • Semi-Fitted
  • Relaxed

Temperature Range °F: What's this?

  • Cold
    • Below 30
  • Moderate
    • 30-45
    • 40-55
    • 50-65
  • Hot
    • above 65

Fabric Thickness: What's this?

  • Thin
  • Medium
  • Thick

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