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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.

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
Pearl Izumi Men's Transfer Long Sleeve Baselayer
$65.00
This cycling-specific summer-weight baselayer is designed to keep you cool and comfortable even on hot days. Transfer fabric facilitates the evaporation process by rapidly moving moisture away from your skin to outer layers, while activated charcoal in the front panel fabric further speeds dry time and cooling. In back, mesh panels maximize ventilation. 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 short sleeve jersey during the heat of summer, and then add it to your cool 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 the body - Activated Charcoal integrated into the yarns used in front panels to speed dry time even more - Soft Merrow seams for next to body comfort
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
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
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
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
Louis Garneau 4002 Zip Neck
$69.99
As a mid-weight base layer, the 4002 top is intended for colder conditions. The soft ribbed inner face construction wicks moisture away and creates air pockets that store your body heat. The jersey is designed for training with features such as overlapping mitts to tuck your hands away from the cold, reflective bindings at the cuffs to make you visible at all times, and a 2-way zip to ventilate your core while keeping your neck warm. - AirFit Mesh fabric: The semi-opaque structure and lightness of the mesh provide comfort, flexibility, and excellent moisture control - Seamless front neck: Adds comfort and ease of movement - Fold-over cuff with thumb loop turns into a mitt for increased warmth - Flatlock seams - Reflective accents - Two-way 12-inch / 30.5cm zip with mesh insert allows for core ventilation while keeping neck warm - Zipper garage prevents neck irritation
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
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
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
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
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
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
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 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 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 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
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
Craft Active Extreme 2.0 Boxer WS
$64.99
These boxers feature elastic Windstopper panels and excellent body-temperature management. - Fabric 1: 100% Polyester - Fabric 2: 92% Polyester, 8% ePTFE
Craft Craft Active Extreme 2.0 CN LS
$79.99
- Thin, lightweight and elastic fabric that is channel-knitted to trap air and provide warmth - Body-mapped mesh for optimal temperature regulation - Flatlock seams that follow body movements - Fabric 1: 100% Polyester - Fabric 2: 96%, 4% Elastane
Craft Active Comfort RN LS
$49.99
- Soft and elastic baselayer that keeps you dry, warm and comfortable with ergonomic fit and excellent body-temperature management. - Semi-relaxed fit with a soft and ventilating crewneck. - Thin and lightweight warming yarn for optimal thermoregulation. - Excellent moisture transport that keeps your body dry and comfortable - Soft and ventilating crewneck. - Fabric: 70% Polyester / 30% Polyamide
Pearl Izumi Women's Versa Liner
$40.00
This boy-short style brief has a minimal chamois to keep you comfortable on the bike without being bulky, so you can seamlessly transition into your day. Super breathable, super comfortable and all the antimicrobial and wicking properties you need, in a piece that makes riding in your favorite shorts and dresses something that won’t be a hassle. - Transfer mesh fabric provides optimal moisture management - Women’s Versa Chamois provides moisture transfer, quick dry time and odor absorption - Gripper free - 2.25" inseam (Size M) - Main Body: 80% polyester, 20% elastane - Side: 88% nylon, 12% LYCRA elastane - Garment weight (Size M): 69g
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 4002 Zip Neck
$69.99
As a mid-weight base layer the women's 4002 top is intended for colder conditions. The soft ribbed inner face construction wicks moisture away and creates air pockets that store your body heat. The jersey is designed for training with features such as the overlapping mitts to tuck your hands away from the cold, reflective bindings at the cuffs to make you visible at all times, and a 2-way zip to ventilate your core while keeping your neck warm. - AirFit Mesh: The semi-opaque structure and lightness of the mesh provide comfort, flexibility, and excellent moisture control - Seamless front neck: Adds comfort and ease of movement - Fold-over cuff with thumb loop: Turns into a mitt for increased warmth - 4-way stretchability - Flatlock seams - Reflective accent - BTwo-way 12-inch / 30.5cm zip with mesh insert allows for core ventilation while keeping neck warm - Zip garage: Prevents neck irritation
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
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 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
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