Bontrager B1 Sleeveless Baselayer

Bontrager B1 Sleeveless Baselayer
  • Color: White
  • Color: White
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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 / Small 601479536757 540454 BAS40161875E
White / Medium 601479536764 540455 BAS41216942E
White / Large 601479536771 540456 BAS40929145E
White / X-Large 601479536788 540457 BAS41481509E
White / XX-Large 601479536795 540458 BAS42279071E


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