Bontrager B1 Sleeveless Baselayer

Bontrager B1 Sleeveless Baselayer
Please select options
This item is only available through our retail locations. Please visit your nearest Trek Bicycle Store to purchase. Some items listed as "In Stock" may not be immediately available in our store. Please call for verification.


Stay cool and dry with the B1 Sleeveless Baselayer. Made with Bontrager's lightest weight baselayer fabric, it's a great first layer for rides in warm temperatures.

Part Numbers

Option UPC MPN
White / Large 768682456545 437114
White / Medium 768682456521 437113
White / Small 768682456507 437112
White / X-Large 768682456569 437115
White / X-Small 768682456484 437111
White / XX-Large 768682456583 437116