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Undergarments

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.

Endura BaaBaa Merino Long Sleeve Baselayer
$69.99
Have you ever seen a cold sheep? No, that's because Merino wool insulates even when wet. Endura's cycling-specific BaaBaa Baselayer is crafted from silky soft Merino for amazing comfort and temperature control. This excellent layer prevents odor and is machine-washable, too.
Craft Active Windstopper Gunde Boxer Short
$40.00
Craft's Active Windstopper Boxer Shorts are the ultimate base layer for cold and windy conditions. They feature a 4-way stretch fabric panel to keep you warm and dry. - Gore Wind Stop Piuma Panel - Pro Zero Fabric - Chafe-free waistband - Flatlock stitching - Excellent moisture transfer - Machine washable and dryable
Craft Bike Bra - Women's
$49.99
With its cycling-specific cut for freedom of movement, lightweight fabric for ventilation, and mesh edging, Craft's Bike Bra provides the comfort you need on all your rides. - Body-mapped - Super light fabric - Ergonomic mesh edging - Cycling-specific shoulder straps - Folded lining for optimal moisture transfer
Fox Racing Evolution Pro Bib Liners
$149.95
The completely redesigned Attack Pro Trail System is all-mountain apparel at it's finest. The four part system creates the ultimate in trail comfort and performance to help you ride longer, stronger, and better. Premium Italian fabrics wick moisture to keep you cool and dry, and make a super-light silhouette perfect for all day riding. Tweaks like a built-in Fly-Flap for "taking care of business" on the go, and a storage pocket designed for use with Fox's pocket case make these bib liners the perfect addition to your mountain biking arsenal. Design & Function: - Premium Italian Polyester stretch mesh fabric - Reflective media loop - Mesh pockets for storage - Fly flap with internal opening - Built with Evo Chamois
Endura Transrib Shortsleeve Baselayer - Women's
$44.99
CoolMax ribbed knit makes Endura's Transrib Shortsleeve Baselayer an insulating layer in the winter, while its superior moisture management keeps you cool come summertime. Regardless of when you ride, the antibacterial finish on this baselayer will keep you feeling fresh. And, this snug, high-stretch top fits seamlessly beneath any jersey.
Endura BaaBaa Merino Long Sleeve Baselayer - Women's
$69.99
Have you ever seen a cold sheep? No, that's because Merino wool insulates even when wet. Endura's BaaBaa Baselayer is crafted from silky soft Merino for amazing comfort and temperature control. This excellent layer prevents odor and is machine-washable, too.
Louis Garneau Women's 2002 Cycling Undies
$34.99
Whether on the road, trails, or in spin class, these versatile undies can be worn under your favorite garment for an instant cycling outfit. FABRICS: Drytex® 2002: Thermoregulation DETAILS: -Elastic at waist -Side braids: Allow adjustable positioning with MTB shorts -Flatlock seams: Enhanced comfort -Permanent NANO-SILVER technology: Antibacterial and antiodor properties INFO +: -Slim Flex Chamois - Women
Louis Garneau Women's 2002 Sport Inner Cycling Shorts
$39.99
With Nano-Silver Technology, these innershorts offer antibacterial, antiodor and fast-drying properties and help control body temperature. FABRICS: -Drytex® 2002: Thermoregulation DETAILS: -Elastic at waist -Side braids: Allow adjustable positioning with MTB shorts -Inseam: 8"/20.5 cm -Powerband: Compressive cuff that reduces lower leg pressure and provides support without restricting circulation -Permanent NANO-SILVER technology: Antibacterial and antiodor properties INFO +: -AirSport Chamois - Women
Louis Garneau 2002 Sport Innercycling Shorts
$39.99
With Nano-Silver technology, these innershorts offer antibacterial, antiodor and fast-drying properties and help control body temperature. FABRICS: -Drytex® 2002: Thermoregulation DETAILS: -Elastic at waist -Side braids: Allow adjustable positioning with MTB shorts -Inseam: 8"/20.5 cm -Powerband: Compressive cuff that reduces lower leg pressure and provides support without restricting circulation -Permanent NANO-SILVER technology: Antibacterial and antiodor properties INFO +: -AirSport Chamois
Louis Garneau Supra Sleeveless
$24.99
For those days where the weather seems comfortable enough to wear just a jersey, it can be handy to have a thin extra layer to keep warm and dry if the weather becomes unstable. The Supra Sleeveless is so light you won't even know you're wearing it. - Supra Filo 2: Great moisture management - Flatlock seams Reflective accent - Racer Fit Extra Lightweight
Louis Garneau Women's 1001 Singlet
$39.99
The women's Singlet 1001 is the piece you won't want to do without, an ideal tool for managing your body temperature. This lightweight base layer acts as a transitory layer between the skin and the cycling jersey. It evacuates moisture even on the warmest days, so you can wear it at all times as a first layer to stay dry, no matter your sport or activity. - Drytex 1001: Enhances airflow and wicks moisture - Flatlock seams - Reflective accent - Racer Fit Extra Lightweight
POC Hip VPD 2.0 Shorts
$120.00
POC's Hip VPD 2.0 Shorts protect your tailbone and hips with Visco-Elastic Polymer Dough that is flexible when moving, then turns rigid upon impact. Wear these liners under your DH shorts and you get muscle support, a chamois and peace of mind. They fit well thanks to stretchy fabric and breathe well due to the ventilated mesh.
Bontrager Troslo inForm Cycling Liner Short
$69.99
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 Troslo inForm Cycling Liner Bib Short
$79.99
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 Trosla Women's Cycling Liner Short
$69.99
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 B1 Short Sleeve Baselayer
$29.99 $39.99 25% Savings
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 B1 Sleeveless Baselayer
$24.99 $34.99 29% Savings
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 B1 Sleeveless Women's Baselayer
$24.99 $34.99 29% Savings
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 B2 Long Sleeve Baselayer - Women's
$59.99 $84.99 29% Savings
Stay warm and dry with Bontrager's B2 Long Sleeve baselayer. The polyester and wool blend creates an ideal first layer for those cool autumn rides. • Profila Dry powered by 37.5 technology and Merino Wool on back and arms provides a great balance between moisture transfer and warmth when wet in mild, variable conditions • Conditions-appropriate tuckable length • 3-inch (8cm) drop tail for a precise on-bike fit • Fitted: Streamlined fit for all-around cycling performance
Bontrager B2 Long Sleeve Baselayer
$59.99 $84.99 29% Savings
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.
DeFeet Un-D-Lite Tank
$39.99
DeFeet's Un-D-Lite Tank is an incredibly versatile piece that's designed to be worn under your jersey. It's light, thin, stretchy and forgiving; it hugs your body while allowing complete range of motion. Made from DriLex, the tank wicks moisture and breathes so no matter what temp it is, you're always dry and comfortable.
Endura Translite Sleeveless Baselayer
$34.99
Endura's Translite Sleeveless Baselayer keeps you dry and comfortable while riding. Its antibacterial fabric provides excellent moisture transfer and dries quickly, helping to regulate your body temperature. Plus, flatlock seams eliminate chafing while SPF 25+ protection buffers the sun.
Bontrager B1 Sleeveless Baselayer
$26.24 $34.99 25% Savings
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.
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
Craft Active Extreme 2.0 CN SS
$74.99
- Thin, lightweight and elastic fabric that is channel-knitted to trap air and provide warmth - Coolmax-Air fiber against the skin enhances cooling and moisture transport - Body-mapped mesh for optimal temperature regulation - Flatlock seams that follow body movements - Fabric 1: 100% Polyester - Fabric 2: 96%, 4% Elastane
Bontrager B2 Short Sleeve Baselayer
$52.49 - $69.99 $69.99 Up To 25% Savings
Retain warmth and stay dry with the B2 Short Sleeve Baselayer. A blend of polyester and wool makes it a comfortable first layer for great rides in mild temperatures. • Profila Dry powered by 37.5 technology and Merino Wool on back and arms provides a great balance between moisture transfer and warm when wet in mild, variable conditions • Conditions-appropriate tuckable length • 3" (8cm) drop tail for a precise on-bike fit • Fitted - Streamlined fit for all-around cycling performance
Craft Greatness Bike Shorts
$50.00
- Slim, lightweight inner shorts with great fit, excellent moisture transport and C4 Pad - Material: 100% Polyester
Fox Racing Evolution Short Liner
$54.95
When it comes to happy riding, comfort is king. The Evo liner short offers the same performance and comfort features of the Evo Sport bib but without the shoulder straps. The multi-panel poly/spandex tech body provides infinite stretch and rebound for an ergonomic and comfortable fit. The proven Fox Comp Chamois offers triple density padding and a 4-way stretch that moves with your body to eliminate hot spots and chafing. Compression leg bands keep everything secure, so the shorts don't ride up. TECHNICAL DETAILS - Polyester spandex main body fabric - Built with Fox's Comp chamois for long distance comfort - Custom jacquard Fox waistband - Silicone leg gripper prevent ride up COMP CHAMOIS: The combination of triple density foam, 4-way stretch construction and our top of the line EIT carbonium anti-microbial fabric makes this one of the most comfortable long-distance pads on the market.
Craft Cool Mesh Super Light SL Base Layer
$49.99
Craft's Superlight Mesh top features big-hole design for superior ventilation and cooling. • Multi-channel, hollow, polyester filament fabric • Fibers channel moisture away from the body • Antimicrobial treatment to prevent fabric odor • Ergonomic fit
Smartwool Men's Merino 150 Short Sleeve Base Layer Top
$75.00
From taking the chill out of cool morning bike rides to hiking to the summit of Quandary Peak, you need a versatile layer that works as hard as you do. The year-round Merino 150 base layer short sleeve is up to the challenge thanks to the body temp regulating properties and breathability of Merino. Featuring Core Spun technology, Smartwool wrapped Merino around a nylon core for added durability while still keeping the comfort of ultra-soft Merino next to skin. They added smooth flatlock seams to help minimize chafing and offset shoulder and side seams to lie smoothly beneath pack straps. Performs well on its own in warmer temps or layers up easily when cooler weather rolls in. - Slim Fit - Raglan sleeve design removes shoulder seams - Flatlock seam construction designed to eliminate chafing - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 133 g = 4.7 oz - Style: SW016041
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