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Bontrager B1 Short Sleeve Baselayer


Availability: Low Stock



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.

Key features

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

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