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Bontrager B1 Short Sleeve Baselayer
  • Color: White
  • Color: White


B1 Short Sleeve Baselayer

Model # (14370)
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Bontrager B1 Short Sleeve Baselayer

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

Features and Information



by PowerReviews
Option Barcode Manufacturer's Part Number Vendor Number Store SKU
White / X-Small 601479536672 540445 TRK-540445 BAS42695122E
White / Small 601479536689 540446 TRK-540446 BAS41756276E
White / Medium 601479536696 540447 TRK-540447 BAS42753087E
White / Large 601479536702 540448 TRK-540448 BAS41601635E
White / X-Large 601479536719 540449 TRK-540449 BAS42117515E
White / XX-Large 601479536726 540450 TRK-540450 BAS43499810E