Bontrager B1 Short Sleeve Women's Baselayer | Trek Bikes
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Bontrager B1 Short Sleeve Women's Baselayer

$9.99 $39.99 Model 11699
An ultralight, cooling, short sleeve baselayer for women that provides warm weather comfort.
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Combat summer temps

Even warmer rides can benefit from the right baselayer. Bontrager's lightest weight baselayer fabric, B1, is a comfortable first layer of Profila Cool fabric enhanced with 37.5 technology that regulates the body's relative humidity to maintain ideal core temperature, allowing greater on-bike performance. Comfortably fits under every jersey you own.

Product details

  1. Profila Cool fabric powered by 37.5 active particle technology
  2. Conditions-appropriate, tuckable length
  3. Drop tail for a precise on-bike fit
  4. Fitted cut provides streamlined body fit for enhanced performance

More options


Gender Women
Fit profile Fitted
Fiber content 100% Cocona® Polyester
Material Knit
Sleeve length Short Sleeve

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