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Baselayers

Cycling Base Layers

Control your climate with Bontrager baselayers.

Available in multiple fabric weights, each with its own unique construction, and each designed for moisture-wicking, quick-drying, and 4-way stretch mobility, Bontrager baselayers provide the specific thermal performance you need to stay comfortable, no matter how intense your ride or varied the conditions.  All Bontrager gear come with the Bontrager Guarantee.

Bontrager Sport Cycleliner WSD - Women's
$39.99
Bontrager's Sport Cycleliner WSD turns any shorts into cycling shorts. These fitted liners use highly breathable microfiber with a multi-panel design for serious comfort. Speaking of comfort, you also get Bontrager's inForm chamois padding for support and protection, leg grippers to keep these liners in place and a chafe-free waistband.
Bontrager Sport Cycleliner
$39.99 - $49.99
Bontrager's Sport Cycleliner turns any shorts into cycling shorts. These fitted liners use highly breathable microfiber with a multi-panel design for serious comfort. Speaking of comfort, you also get Bontrager's inForm chamois padding for support and protection, leg grippers to keep these liners in place and a chafe-free waistband.
Bontrager Cirra Women's Liner
$49.99
• Cirra inForm BioDynamic Chamois - women's dimension-optimized cycling pad • Highly breathable microfiber material for excellent moisture wicking • Rubberized leg gripper • Flexible fit waistband • 7" (18cm) inseam • Fitted - Streamlined fit for all-around cycling performance
Bontrager Solaris Women's Shorts
$49.99
- Cirra inForm BioDynamic Chamois - women's dimension-optimized cycling pad - Profila Power compressive technology fights muscle fatigue - Clean cut compression leg gripper - Reflective elements enhance visibility for maximum safety anytime - 9" (23cm) inseam - Fitted - Streamlined fit for all-around cycling performance
Bontrager Merino Blend Short Sleeve Cycling Baselayer
$69.99
Control your climate The Merino Blend Short Sleeve Baselayer is a soft, lightweight inner layer that provides superior warmth, comfort, and moisture management when riding in cool to cold conditions. It regulates your body’s climate using the perfect blend of wool and Profila cool fabric with 37.5 technology for ultimate all-day comfort. Product details - Soft, lightweight Merino wool blend offers warmth and comfort - Moisture and temperature regulation with 37.5 active particle technology - Natural materials eliminate odor molecules and never wash out - Longer body length and drop tail tucks into shorts or bibs to prevent overexposure - Locker loop on collar makes baselayer easy to hang for quicker drying after rides - Fitted cut provides a streamlined body fit for enhanced performance
Bontrager Merino Blend Women's Short Sleeve Cycling Baselayer
$69.99
Control your climate The Merino Blend Women's Short Sleeve Baselayer is a soft, lightweight inner layer that provides superior warmth, comfort, and moisture management when riding in cool to cold conditions. It regulates your body’s climate using the perfect blend of wool and Profila cool fabric with 37.5 technology for ultimate all-day comfort. Product details - Soft, lightweight Merino wool blend offers warmth and comfort - Moisture and temperature regulation with 37.5 active particle technology - Natural materials eliminate odor molecules and never wash out - Longer body length and drop tail tucks into shorts or bibs to prevent overexposure - Locker loop on collar makes baselayer easy to hang for quicker drying after rides - Fitted cut provides a streamlined body fit for enhanced performance
Bontrager Troslo inForm Cycling Liner Short
$79.99
The Troslo inForm short is unlike any cycling liner short you’ve seen before. Dual hip pockets easily hold a variety of essentials, while comfortable mesh ventilation and supportive compression materials fight fatigue to make this the ultimate liner to go under your shorts and prevent chaffing. Key features - Troslo inForm BioDynamic Chamois - comfortable, dimension-optimized cycling pad - Two pockets on legs for nutrition wrappers or lip balm - Profila Power main materials with strategically placed Profila Cool inserts - Clean cut compression leg gripper - Flexible fit waistband for superior comfort - 9.5" (24cm) inseam - Fitted cut provides streamlined body fit for enhanced performance
Bontrager B1 Sleeveless Women's Baselayer
$34.99
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
Bontrager Mesh Sleeveless Cycling Baselayer
$44.99
Control your climate Bontrager's Mesh Sleeveless Baselayer keeps you cool and dry when temperatures rise. It's made of ultra-lightweight fabrics enhanced with 37.5 active particle technology to keep your body at an ideal core temperature on even your hottest and longest rides. Product details - Profila Dry fabric and 37.5 active particle technology offer moisture and temperature regulation - Ultra-light, moisture-wicking material made from polyester and Profila Cool - Natural materials eliminate odor molecules and never wash out - Longer body length and drop tail tucks into shorts or bibs to prevent overexposure - Locker loop on collar makes baselayer easy to hang for quicker drying after rides - Fitted cut provides a streamlined body fit for enhanced performance
Bontrager Troslo inForm Cycling Liner Bib Short
$89.99
The Troslo inForm bib short is unlike any cycling liner you’ve seen before. Dual hip pockets hold a variety of essentials, while comfortable mesh ventilation and supportive compression materials fight fatigue to make this the ultimate liner to go under your shorts and prevent chaffing. Key features - Troslo inForm BioDynamic Chamois - comfortable, dimension-optimized cycling pad - Three back pockets on bib and two pockets on legs for nutrition wrappers or lip balm - Profila Power main materials with strategically placed Profila Cool inserts - Clean cut compression leg gripper - Bib straps for ultimate non-restrictive comfort - 9.5" (24cm) inseam - Fitted cut provides streamlined body fit for enhanced performance
Bontrager Merino Blend Long Sleeve Women's Cycling Baselayer
$84.99
Control your climate The Merino Blend Women's Long Sleeve Baselayer is a soft, lightweight inner layer that provides superior warmth, comfort, and moisture management when riding in cool to cold conditions. It regulates your body’s climate using the perfect blend of wool and Profila cool fabric with 37.5 technology for ultimate all-day comfort. Product details - Soft, lightweight Merino wool blend offers warmth and comfort - Moisture and temperature regulation with 37.5 active particle technology - Natural materials eliminate odor molecules and never wash out - Longer body length and drop tail tucks into shorts or bibs to prevent overexposure - Locker loop on collar makes baselayer easy to hang for quicker drying after rides - Fitted cut provides a streamlined body fit for enhanced performance
Bontrager B1 Sleeveless Baselayer
$39.99
Bontrager's B1 Sleeveless Baselayer is an ultralight top that keeps you cooler on warm days than a jersey alone. The textured surface minimizes skin contact and creates cooling air pockets next to your body. The fabric breathes well and dries quickly, furthering your comfort. And, the close fit and smooth exterior give you perfect layering without bulk.
Bontrager Mesh Short Sleeve Cycling Baselayer
$44.99 - $49.99
Control your climate Bontrager's Mesh Short Sleeve Baselayer keeps you cool and dry when temperatures rise. It's made of ultra-lightweight fabrics enhanced with 37.5 active particle technology to keep your body at an ideal core temperature on even your hottest and longest rides. Product details - Profila Dry fabric and 37.5 active particle technology offer moisture and temperature regulation - Ultra-light, moisture-wicking material made from polyester and Profila Cool - Natural materials eliminate odor molecules and never wash out - Longer body length and drop tail tucks into shorts or bibs to prevent overexposure - Locker loop on collar makes baselayer easy to hang for quicker drying after rides - Fitted cut provides a streamlined body fit for enhanced performance
Bontrager Cirrus Liner
$49.99
• Cirrus inForm BioDynamic Chamois - comfortable, dimension-optimized cycling pad • Highly breathable microfiber material for excellent moisture wicking • Rubberized leg gripper • Flexible fit waistband • 8" (20cm) inseam • Fitted - Streamlined fit for all-around cycling performance
Bontrager B3 1/4-Zip Long Sleeve Baselayer
$109.99
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
Bontrager Trosla Women's Cycling Liner Short
$79.99
When you need a cycling liner with smart integrated storage options and a best-in-class chamois, upgrade to the Trosla Women's liner short. Dual hip pockets easily hold a variety of essentials, while comfortable mesh ventilation and supportive compression materials fight fatigue to make this the ultimate mountain-bike specific liner. Key features - Trosla Women's inForm BioDynamic Chamois - comfortable and dimension-optimized - Profila Power main materials with strategically placed Profila Cool inserts - Storage pockets on legs for nutrition wrappers or lip balm - Clean cut compression leg gripper - Flexible fit waistband for superior comfort - 8" (20cm) inseam - Fitted cut provides streamlined body fit for enhanced performance
Bontrager Mesh Women's Short Sleeve Cycling Baselayer
$49.99
Control your climate Bontrager's Mesh Women's Short Sleeve Baselayer keeps you cool and dry when temperatures rise. It's made of ultra-lightweight fabrics enhanced with 37.5 active particle technology to keep your body at an ideal core temperature on even your hottest and longest rides. Product details - Profila Dry fabric and 37.5 active particle technology offer moisture and temperature regulation - Ultra-light, moisture-wicking material made from polyester and Profila Cool - Natural materials eliminate odor molecules and never wash out - Longer body length and drop tail tucks into shorts or bibs to prevent overexposure - Locker loop on collar makes baselayer easy to hang for quicker drying after rides - Fitted cut provides a streamlined body fit for enhanced performance
Bontrager Mesh Women's Sleeveless Cycling Baselayer
$44.99
Control your climate Bontrager's Mesh Women's Sleeveless Baselayer keeps you cool and dry when temperatures rise. It's made of ultra-lightweight fabrics enhanced with 37.5 active particle technology to keep your body at an ideal core temperature on even your hottest and longest rides. Product details - Profila Dry fabric and 37.5 active particle technology offer moisture and temperature regulation - Ultra-light, moisture-wicking material made from polyester and Profila Cool - Natural materials eliminate odor molecules and never wash out - Longer body length and drop tail tucks into shorts or bibs to prevent overexposure - Locker loop on collar makes baselayer easy to hang for quicker drying after rides - Fitted cut provides a streamlined body fit for enhanced performance
DeFeet Un-D-Shurt Long
$25.00
DeFeet's Un-D-Shurt is a silky-soft base layer that's perfect for layering on cold days. Its wicking MicroSupreme acrylic fiber creates a micro climate that breathes well and keeps you dry and comfortable in a wide range of temps.
Bontrager B1 Short Sleeve Baselayer
$39.99 - $44.99
Bontrager's B1 Short Sleeve Baselayer is an ultralight top that keeps you cooler on warm days than a jersey alone. The textured surface minimizes skin contact and creates cooling air pockets next to your body. The fabric breathes well and dries quickly, furthering your comfort. And, the close fit and smooth exterior give you perfect layering without bulk.
Bontrager B1 Short Sleeve Baselayer
$39.99
Stay cool and dry with the B1 Short Sleeve Baselayer. Made with Bontrager's lightest weight baselayer fabric, it’s a comfortable first layer for great rides in warm temperatures. - Profila Cool fabric powered by 37.5 technology provides exceptional moisture transfer - Conditions-appropriate tuckable length - Drop tail for a precise on-bike fit - Fitted: Streamlined fit for all-around cycling performance
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