B2 Long Sleeve Baselayer

Retain warmth and stay dry with the B2 Long Sleeve Baselayer. A blend of polyester and wool makes it a comfortable first layer for great rides in mild temperatures.




  • Lightweight baselayer for cool or variable conditions
  • Smooth, soft, thermal regulating fabric fits like a second skin
  • Excellent vapor permeability gives quick-drying comfort
  • Flatlock stitching eliminates chafing
  • Fitted cut for non-bulky layering under jerseys and jackets
Part No. MSRP* Color Size
423679 49.99 Black Small
423680 49.99 Black Medium
423681 49.99 Black Large
423682 49.99 Black X-Large
423683 49.99 Black XX-Large

*Pricing is set by Bontrager retailers and does not include freight, import duties or taxes for retailers outside of the US.

Bontrager baselayers

Bontrager baselayers

The Bontrager family of baselayers: B1, B2, and B3. Three different fabric designs. Three different fabrics weights. All moisture-wicking, quick-drying, and featuring 4-way stretch comfort. Each tailored for specific thermal performance.

Ride it and love it. If not, we’ll take it back.

Ride it and love it. If not, we’ll take it back.

It’s that simple.

If for any reason you’re not satisfied with your Bontrager products, return the item - along with the original sales receipt - to the place of purchase within 30 days of purchase date for exchange or store credit.