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20% of all pre-orders is non-refundable

Bontrager B1 Short Sleeve Baselayer

Bontrager B1 Short Sleeve Baselayer
  • Color: White
  • Color: White
$29.99 - $39.99
Please select options


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

Part Numbers

Option UPC MPN Store SKU
White / X-Small 601479536672 540445 BAS42258342E
White / Small 601479536689 540446 BAS41241774E
White / Medium 601479536696 540447 BAS4245506E
White / Large 601479536702 540448 BAS41133257E
White / X-Large 601479536719 540449 BAS42776028E
White / XX-Large 601479536726 540450 BAS43473454E