Shop Online- Free Shipping on Orders over $50 Join our email list for events, specials and news Find Us on Facebook Follow Us on Twitter Follow Us on Instagram Follow Us on Pintrest
Cycle Loft. Since 1976
2 Biggest Brands in 1 Store
Bicycle Satisfaction Guarantee
Local Bike Shop. In-Store & Online
Open 7 Days a Week
M-F 10-7 SAT 10-6 SUN 12-5
Contact Us | Email Signup

43 Middlesex Turnpike
Burlington, MA


Shop Online Anytime
> Bicycling Catalog > Clothing > Undergarments > Bontrager > B3 1/4-Zip Long Sleeve Baselayer
Bontrager B3 1/4-Zip Long Sleeve Baselayer
  • Color: Black
  • Color: Black

Bontrager B3 1/4-Zip Long Sleeve Baselayer

Product Rating
0.0 stars
 (0 Reviews)

Product Details

Bontrager B3 1/4-Zip Long Sleeve Baselayer

Extra-cold-weather riding days demand layering for ideal warmth and dryness. Pull on the B3 1/4-Zip Long Sleeve Baselayer for critical warmth and maximum comfort on your next ride.

• Profila Thermal powered by Merino Wool provides exceptional warmth, even when wet during cold conditions
• 5" (13cm) zip for ventilation and easy on/off
• Conditions-appropriate tuckable length
• 3" (8cm) drop tail for a precise on-bike fit
• Fitted - Streamlined fit for all-around cycling performance

Features and Information

  • Part Numbers close open

    Option Barcode Manufacturer's Part Number Vendor Number
    Black / X-Small 00768682455463 437038 TRK-437038
    Black / Small 00768682455487 437039 TRK-437039
    Black / Medium 00768682455500 437040 TRK-437040
    Black / Large 00768682455524 437041 TRK-437041
    Black / X-Large 00768682455548 437042 TRK-437042
    Black / XX-Large 00768682455562 437043 TRK-437043
    Back to top
  • Consumer Reviews close open


    by PowerReviews
43 Middlesex Turnpike 
Burlington, MA 01803
(781) 272-0870
Contact Us

(Mailing Address)

Weekdays 10-7
Saturday 10-6
Sunday 12-5


Cycle Loft is a proud supporter of several local, regional and national cycling advocacy organizations. These organizations are tirelessly helping to improve the quality of cycling opportunities and the health of your independent bicycle dealership network. We encourage you to visit their sites to learn more.

Eastern Fat Tire Association
International Mountain Bike Association
League of American Bicyclists
Lexington Farmers’ Market
Light Electric Vehicle Association

National Bicycle Dealers Association
New England Mountain Bike Association
People for Bikes
USA Cycling
About Us    Location      Shop Online      Bike Fitting     Bike Repair     Employment     Email Sign-Up     Privacy Policy