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Undergarments

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.

Smartwool Merino 150 Base Layer Bottom
$80.00
Cold days on the ski hill, blustery dog walks and spring camping: things that are all made better by the Merino 150 Base Layer Bottoms. Featuring Core Spun technology, Smartwool wrapped Merino around a nylon core for added durability while still keeping the temperature regulation and moisture management benefits of ultra-soft Merino next to skin. A wide waistband and smooth stitching up the comfort factor on these year-round favorites. - Slim Fit - Wide elastic waistband (40 mm) designed for ultimate comfort; keeps Merino next to skin - Stretch merrow stitching for comfort and a feminine aesthetic - Size M inseam: 29.5" (75 cm) - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 133 g = 4.7 oz - Style: SW015257
Gore Wear Base Layer Singlet
$23.99 $39.99 40% Off
Gore's Base Layers are made of a light moisture-transferring fabric with non-chafing flatlock seams and an anatomic cut for excellent comfort and freedom of movement.
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
Craft Craft Cool Mesh Superlight SL
$49.99
- Women's specific design of Craft's Superlight mesh top with big-hole design for superior ventilation/cooling - Designed to keep you cool while exercising - Lightweight, micro polyester mesh fabric with a multi-channel fiber construction that effectively pulls perspiration vapor off the body to keep you cool
Craft Active Windstopper Crew Neck LS Base Layer
$85.00
Craft's Windstopper Long Sleeve Crew features Gore Windstopper Piuma 4-way-stretch fabric in the chest and keeps the core warm by blocking wind. • Gore Windstopper Piuma four-way-stretch fabric • Windstopper windblock front • Pro Zero Fabric • Flat Lock Stitching • Drop Tail • Unisex (sizing based on Men's) • Machine washable and dryable
KETL Liner Short
$115.00
As the seasons change and the mercury starts to boil, we tend to take a different approach to our attire on the bike. Less is more. Lighter, more breathable fabrics are a must. Moisture management is key. A good liner short is crucial. Ours is crafted using lightweight, breathable Italian fabric and is designed to be worn under an overshort. It offers just the right amount of compression without being too constricting and features a soft, comfortable waistband that moves with you. -Lightweight, breathable, compressive Italian fabric -Soft and comfortable flat rear waistband -Multi-density EIT mountain-bike-specific chamois -Wide, comfortable leg bands that grip without pinching -Sizes S–XXL
KETL Liner Short
$115.00
As the seasons change and the mercury starts to boil, we tend to take a different approach to our attire on the bike. Less is more. Lighter, more breathable fabrics are a must. Moisture management is key. A good liner short is crucial. Ours is crafted using lightweight, breathable Italian fabric and is designed to be worn under an overshort. It offers just the right amount of compression without being too constricting and features a soft, comfortable waistband that moves with you. -Lightweight, breathable, compressive Italian fabric -Soft and comfortable flat rear waistband -Multi-density EIT mountain-bike-specific chamois -Wide, comfortable leg bands that grip without pinching -Sizes XS–XL
Louis Garneau Women's 2004 Pants
$39.99
When practicing winter sports, wearing a very thin first layer of clothing that allows moisture to be evacuated is ideal. The women's 2004 pants are a perfect baselayer to keep you dry all winter. Antibacterial and anti-odor properties make them an ideal complement to the warmer clothes you are wearing over it. The Drytex 2004 fabric dries very quickly to ensure maximum comfort before and during your training session. In addition, if you stop to take a break in a cabin before heading back out into the woods, you'll still be warm and dry to enjoy the rest of your day. - Fabric: Drytex 2004 – 4-way stretchable peach skin fabric that increases air circulation and moisture wicking; antibacterial treatment offering freshness and comfort - Fabric Technology: Moisture management - Seams: Flatlock seams - Visibility Features: Reflective accent - Waist: Elastic - Lightweight
Craft Active Comfort RN LS
$49.99
If you want only one baselayer–one that is comfortable and great looking and offers excellent function–then Active Comfort is probably the best choice you can ever make. This soft and comfortable long-sleeve jersey keeps you dry and warm during all kinds of physical activities and works both as a baselayer in colder conditions and as a training jersey in milder temperatures. The garment comes with ergonomic fit for optimal freedom of movement and seamless design for maximum comfort. In addition, bodymapped fabric structures provide efficient body-temperature management. - Soft elastic jersey that keeps you dry, warm and comfortable - Lightweight and warming yarn for optimal thermoregulation - Excellent moisture transport keeps your body dry and comfortable - Flatlock seams that follow body movements - Fabric: 70% Polyester 30% Polyamide
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% Polyester, 4% Elastane
Pearl Izumi Men's Cargo Base Layer
$60.00
A full mesh baselayer designed to carry ride essentials under a jersey, with Pearl's patented anatomic Speed Sleeve construction to deliver a cycling-specific fit and support your load comfortably through your shoulders. - Direct-Vent mesh fabric for optimal moisture transfer and cooling - Patented anatomic Speed Sleeve design provides anatomically contoured fit in the cycling position, plus spreads the weight of pocket cargo across your shoulders - Three back pockets allow close-to-body storage without bouncing
Pearl Izumi Men's Transfer Sleeveless Base Layer
$45.00
This cycling specific summer weight baselayer is designed to keep you cool and comfortable even on hot days. P.R.O. Transfer mesh fabric facilitates the evaporative process by rapidly moving moisture away from your skin to outer layers. In back, more open mesh panels maximize ventilation. Wear this baselayer under a short sleeve jersey during the heat of summer, and then add it to your cool weather layering system in spring or fall. - P.R.O. Transfer mesh fabric provides optimal moisture transfer for quick dry performance - Cycling specific, close to body, anatomic fit - Soft merrow seams for next to body comfort - Body: 100% polyester   - Garment Weight (Size M): 65g
Pearl Izumi Men's Transfer Short Sleeve Base Layer
$50.00
The perfect piece to wear against your skin as part of a layering system to keep you comfortable on both warm and cold days. Fabric rapidly moves moisture away from your skin to outer layers to keep you dry while open mesh panels in the back maximize next-to-skin ventilation. - Transfer Dry fabric provides optimal moisture transfer for quick dry performance - Patented Speed Sleeve construction for a contoured, cycling specific fit - Soft merrow seams for next-to-body comfort - Body: 100% polyester  - Stretch Panel on Shoulders: 80% polyester, 20% elastane - Garment Weight (Size M): 81g
Pearl Izumi Women's Transfer Sleeveless Base Layer
$45.00
This women’s specific summer weight cycling baselayer is designed to keep you cool and comfortable even on hot days. P.R.O. Transfer fabric facilitates the evaporative process by rapidly moving moisture away from your skin to outer layers. In back, mesh panels maximize ventilation. Wear this sleeveless baselayer under a short sleeve jersey during the heat of summer, and then add it to your cool weather layering system during chillier months. - P.R.O. Transfer Dry fabric provides optimal moisture transfer for quick dry performance - Cycling specific, close to body, anatomic fit - Soft merrow seams for next to body comfort - Front Panel: 100% polyester - Back Panel: 100% polyester - Garment Weight (Size M): 64 g
Pearl Izumi Women's Transfer Short Sleeve Base Layer
$50.00
This women’s specific summer weight cycling baselayer is designed to keep you cool and comfortable even on hot days. Transfer fabric facilitates the evaporative process by rapidly moving moisture away from your skin to outer layers. In back, mesh panels maximize ventilation. Patented Speed Sleeve anatomic construction hugs the contours of your shoulders, providing a second-skin fit when in the bent-over riding positing. Wear this short sleeve baselayer under a short sleeve jersey during the heat of summer, and then add it to your cool weather layering system during chillier months. - P.R.O. Transfer Dry fabric provides optimal moisture transfer for quick dry performance - Patented anatomic Speed Sleeve construction for best shoulder fit in the cycling position - Cycling specific, close to body, anatomic fit - Soft merrow seams for next to body comfort - Front Panel: 100% polyester  - Back Panel: 100% polyester - Stretch Panel on shoulders: 80% polyester, 20% elastane  - Garment Weight (Size M): 81 g
Smartwool Women's Merino 250 Base Layer 1/4 Zip
$100.00
Smartwool's best selling, and warmest, base layer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack. - Slim Fit - Interlock knit - 8" (20 cm) center front zip - Back body seam wraps to front for body enhancing fit - Shoulder panels eliminate top shoulder seams - Flatlock seam construction is designed to eliminate chafing - Knit in Vietnam: 100% Merino Wool - Garment Weight: 230 g = 8.1 oz - Style: SW0NP221
Pearl Izumi Men's Cargo Bib Liner Shorts
$100.00
Many experienced riders have opted for the comfort of road bibs under shell shorts for years. They prefer the feel of a bib, but road shorts are not made to be covered with a durable shell short, and the combination can be warmer than ideal. Enter Pearl Izumi's Cargo Bib Liner Short, which not only improves ventilation versus traditional road shorts, but also adds integrated storage with three rear jersey-type pockets and two lower pockets on the thigh for trail essentials, like water, tools, and spare tubes. The superior ELITE Escape 1:1 Chamois takes saddle comfort to a whole new level. With this ultimate bib liner you can ditch your hydration pack for all but your longest rides. Features: - New Transfer Mesh body fabric provides an amazing next-to-skin feel - Smooth fabric across the front of the legs slides easily under shell shorts and ensures a friction-free pedaling experience - Optimized with superior ELITE Escape 1:1 Chamois - Three pockets on the lower back of the bib, and two thigh pockets for carrying ride essentials - 10” inseam
Pearl Izumi Men's Cargo Liner Shorts
$70.00
Engineered to deliver friction free pedaling, performance, and phenomenal breathability, the Pearl Izumi Men's Cargo Liner Shorts are a must have for serious trail riders. Smooth fabric on the front of the thighs allows the liner to slide easily beneath your shell shorts and the Transfer Mesh main body delivers unbelievable breathability. Thigh pockets near the leg openings can conveniently stash your food, ID, money, or tools. And they are easy to access by flipping up the bottom of your shell short. The superior ELITE Escape 1:1 Chamois takes your saddle comfort to a whole new level. Features: - New Transfer Mesh body fabric provides an amazing next-to-skin feel - Smooth fabric across the front of the legs slides easily under shell shorts and ensures a friction-free pedaling experience - Optimized with the superior ELITE Escape 1:1 Chamois - Two thigh pockets for carrying ride essentials - 10” inseam
Louis Garneau Verona Bra
$37.99
The Verona offers four super trendy designs, leaving you with the difficult task of choosing which color will suit you best for the summer. This bra offers perfect support for cycling as well as exceptional moisture control. The top parts of the front and back are made with X-Lite Mesh, a fabric known for its incomparable comfort and ventilation while the front is made of Pro + fibre LYCRA a fabric with great compression. Technical Details: - Jersey Fabric : Pro + LYCRA fiber: Support and shape recovery - X-Lite Mesh: Ultra light, optimal ventilation - Jersey Fabric Technology: Breathability - Jersey Visibility Features: Back reflective accents
Pearl Izumi Women's Cargo Baselayer
$60.00
A full mesh baselayer designed to carry ride essentials under a jersey, with Pearl's patented anatomic Speed Sleeve construction to deliver a cycling-specific fit and support your load comfortably through your shoulders. - Direct-Vent mesh fabric for optimal moisture transfer and cooling - Patented anatomic Speed Sleeve design provides anatomically contoured fit in the cycling position, plus spreads the weight of pocket cargo across your shoulders - Three back pockets allow close-to-body storage without bouncing
Bontrager Merino Blend Long Sleeve Cycling Baselayer
$50.99 - $84.99 $84.99 40% Off
Control your climate The Merino Blend 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 Mesh Short Sleeve Cycling Baselayer
$44.99
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 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 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 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 Mesh Women's Short Sleeve Cycling Baselayer
$44.99
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 Sleeveless Cycling Baselayer
$39.99
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
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.
Pearl Izumi Women's Transfer Wool Short Sleeve Base Layer
$80.00
Pearl's Transfer Wool Short Sleeve Base Layer is the best piece to have next to your skin as part of a layering system for riding in damp or wet conditions. This baselayer combines high quality Merino wool and moisture-wicking polyester in a strategic blend for exceptional performance. Its cycling specific shape, thumb loops if you need to seal in the warmth, and soft merrow seams create a comfortable foundation for cold weather and changing conditions. • P.R.O. Transfer Dry Merino provides optimal moisture transfer, dry time and odor absorption • Cycling specific fit with rotated sleeve construction • All–season versatility • Anatomic ‘close–to–body’ fit
Pearl Izumi Women's Transfer Long Sleeve Baselayer
$65.00
This women's-specific cycling baselayer is designed to keep you warm and comfortable on cool to cold days. Transfer fabric rapidly moves moisture away from your skin to the outer layer, while activated charcoal in the front panel fabric further speeds dry time and moisture transport. Speed Sleeve anatomic construction hugs the contours of your shoulders, providing a second-skin fit when in the bent-over riding position. Wear this baselayer under a long sleeve jersey during cooler months, and then add it to your cold weather layering system during chillier months. - Transfer Dry fabric provides optimal moisture transfer for quick dry performance - Anatomic Speed Sleeve construction for best shoulder fit in the cycling position - Cycling specific, close to body, anatomic fit - Activated Charcoal integrated into the yarns used in front panels to speed dry time even more - Soft Merrow seams for next to body comfort
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