Ashland & Medford CYCLE SPORT

Mon-Sat 9:30a-5:30p Sun 11:00a-5:00p
> Bicycling Catalog > Clothing > Undergarments > Bontrager > B1 Sleeveless Baselayer
Bontrager B1 Sleeveless Baselayer
  • Color: White
  • Color: White


B1 Sleeveless Baselayer

Model # (14371)
Product Rating
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Bontrager B1 Sleeveless 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
White / X-Small 601479536740 540453 TRK-540453
White / Large 601479536771 540456 TRK-540456
White / X-Large 601479536788 540457 TRK-540457
White / XX-Large 601479536795 540458 TRK-540458

Ashland Cycle Sport

191 Oak Street
Ashland, OR 97520


Mon-Sat 9:30a-5:30p
Sun 11:00a-5:00p

Medford Cycle Sport

1340 Biddle Road
Medford, OR 97504


Mon-Sat 9:30a-5:30p
Sun 11:00a-5:00p


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