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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.

Terry Terry Mixie Liner
$52.95
The Mixie Liner is a novel under-skirt, under-short garment that instantly transforms streetwear into cyclewear. Outfitted with Terry's Urban chamois, it's ideal for rides of 1-2 hours. Available in distinctive prints, the Mixie coordinates beautifully with the Terry Mixie Skirt. - 90% nylon/10% spandex - 4-panel fit - soft, exposed, elastic waistband - enclosed elastic leg band - Urban Chamois—Shorter front-to-back and less bulky for riding in a more upright commuter position. - Breathable - Moisture Wicking - 5-inch inseam
Endura Transloft L/S Baselayer
$64.99
High-Performance Temperature Regulation - Insulating PrimaLoft Energy main body fabric performs in a wide range of temperatures - Strategically positioned mesh back panel for maximum breathability - Pre-shaped forward-facing long sleeves - Cycle-specific paneling with flatlock stitched seams - Temperature recommendation; 0-15° C
Endura Engineered Padded Boxer II
$49.99
The hidden secret to comfort in the saddle, Endura's undershorts collection offers a range of options. With a high-stretch, seamless knitted construction and a high-quality 300 series pad, the Engineered Boxer is popular with a range of riders. The 300 series molded stretch pad uses a plush microfiber face fabric for excellent comfort and features an antibacterial and wicking finish. It has a maximum thickness of 12mm with a dimpled finish to improve comfort on pressure points. - Seamless engineered knit construction - Strategically positioned ribs provide additional stretch and comfort - Fast wicking antibacterial finish - 300-Series molded stretch antibacterial pad
Endura BaaBaa Blend L/S Baselayer
$48.99 - $69.99 $64.99 - $69.99 Up to 25% Off
The absolute best of both worlds, the BaaBaa Blend L/S Baselayer combines the great temperature regulation and odor-controlling properties of merino with the excellent moisture management properties of synthetic fibers. It works fantastically well as a baselayer but equally well as a stand-alone long-sleeve top. It is always top of our athletes' wish lists. Key Benefits: - Non-mulesed merino blend for soft, itch-free comfort - Naturally odor-resistant and fast drying - High warmth-to-weight ratio - Easycare machine wash - Simply the best of both
Bontrager Troslo inForm Cycling Liner Short
$39.99 $74.99 47% Off
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
Endura Translite Sleeveless Baselayer II
$39.99
Ultra-Lightweight Warm-Weather Baselayer - Extra-fine-gauge rapid-wicking mesh fabric for maximum breathability - Super-soft hand touch - Cycle-specific panelling with flatlock stitched seams - Temperature recommendation; 15°C +
Fox Racing Tecbase Liner Shorts
$79.95
The Most Essential Part of Your Ride The Tecbase Liner Short is an essential piece of riding gear. The dual-density EVO chamois provides excellent comfort on any ride. The lightweight 4-way stretch mesh keeps the air moving, and flatlock seams ensure all-day comfort on the toughest rides. Features - Dual-density EVO Chamois for increased comfort in the saddle - Silicone thigh grippers prevent ride-up - Lightweight 4-Way stretch mesh provides all-day comfort - Flat-locked seams are low-profile for extra comfort - Jacquard fox elastic waistband - Inseam: 8.25" Construction - 80% polyamide nylon / 20% elastane
7iDP Flex Youth Body Protector
$114.99
The Flex Suit offers customizable shoulder protection with the option to carry a water bladder in place of the spine protector. All the pockets you need on the trails in easy access positions and a compression fit that can be worn under a jersey.  Two angled pockets on each hip mean easy access to trails snacks, multi-tools, and a mobile phone. The larger central pocket is designed for larger items like a spare tube or a small packable jacket.
Pearl Izumi Transfer Mesh Sleeveless Baselayer
$55.00
The perfect foundation to any high-performance kit. This Men's Transfer Mesh Sleeveless Baselayer is designed to regulate body temperature through moisture control to keep you riding in comfort across a broad temperature range. The airy high-stretch PRO Transfer Mesh fabric is enhanced with In-R-Cool® to improve thermoregulation and keep you cooler and dryer. GoFresh™ keeps the funk at bay and even allows this piece to be worn multiple times between washes. Wear this baselayer on its own for the trainer, under a short sleeve jersey during the heat of summer, and then add it to your layering system in the spring or fall months for an additional layer of insulation.
Pearl Izumi Transfer Mesh Short Sleeve Baselayer
$65.00
The perfect foundation to any high-performance kit. This Men's Transfer Mesh Short Sleeve Baselayer is designed to regulate body temperature through moisture control to keep you riding in comfort across a broad temperature range. The airy, high-stretch PRO Transfer Mesh fabric is enhanced with In-R-Cool ® to improve thermoregulation and keep you cooler and dryer. GoFresh™â„¢ keeps the funk at bay and even allows this piece to be worn multiple times between washes, so you'll never have to ride without. Wear this baselayer on its own for the trainer, under a short sleeve jersey during the heat of summer, and then add it to your layering system in the spring or fall months for an additional layer of insulation. FEATURES - Pedal to Zero™: Going by bike 10mi / 17km offsets the climate impact of this garment - PRO Transfer Mesh fabric is highly breathable and quick drying - Sweat-activated In-R-Cool® technology improves thermal regulation - GoFresh™ anti-odor technology, bluesign® approved - Designed for all-day performance from chilly starts to hot finishes - Form fit
Pearl Izumi Women's Transfer Mesh Tank Top Baselayer
$55.00
The perfect foundation for any high-performance kit. This Women's Transfer Mesh Tank Baselayer is designed to regulate body temperature through moisture control to keep you riding in comfort across a broad temperature range. The airy high-stretch PRO Transfer Mesh fabric is enhanced with In-R-Cool to improve thermoregulation and keep you cooler and dryer. GoFresh keeps the funk at bay and even allows this piece to be worn multiple times between washes. Wear this baselayer on its own for the trainer, under a short sleeve jersey during the heat of summer, and then add it to your layering system in the spring or fall months for an additional layer of insulation. FEATURES - PRO Transfer Mesh fabric is highly breathable and quick drying - Sweat-activated In-R-Cool technology improves thermal regulation - GoFres anti-odor technology, bluesign approved - Designed for all-day performance from chilly starts to hot finishes - Form fit FABRIC - 64% recycled polyester, 26% polyester, 10% elastane Made in China *Model is 5'9" 125 lbs, wearing a Medium
Fox Racing Enduro Elbow Sleeve
$74.95
Our Enduro Elbow Sleeves are trail tuned and offer pedal-friendly protection on the trail. Made from a moisture-wicking micro-lycra material and featuring a nylon mess rear panel, they keep the air flowing as you pedal up and earn the down. They allow full range of motion, thanks again to that high-stretch rear panel, and keep your elbows safe from hard trail knocks with the removable D3O elbow inserts that deliver both protection and comfort as you ride. - Moisture wicking micro-lycra sleeve with nylon mesh rear panel for increased airflow - Removable D3O elbow inserts for the perfect balance of comfort and protection - Silicone grip top and bottom to hold the guard in place - Nylon, spandex micro lycra
GORE C3 Liner Short Tights+
$60.00
A liner designed to provide all the comfort and breathability you need while riding, but giving you the freedom to wear your favorite overshort on the outside. This liner will get you to your destination with minimum sweat and maximum comfort. - Comfortable elastic waistband - Loops at waistband for attaching to outer short - ACTIVE VARIOUS seat insert - Gripper elastic on bottom hem - Mesh inserts for better ventilation
Endura Translite S/S Baselayer II
$42.50
Ultra-Lightweight Warm-Weather Baselayer - Extra-fine-gauge rapid-wicking mesh fabric for maximum breathability - Super-soft hand touch - Pre-shaped forward-facing short sleeves - Cycle specific paneling with flatlock stitched seams - Temperature recommendation; 15°C +
Troy Lee Designs MTB Pro Short Inner Liner
$59.00
Add the MTB Pro Short Liner to any of your favorite TLD shorts to get all-day comfort on your rides. With the addition of the TMF 6-hour chamois pad, the MTB Pro Short Liner takes the next step in providing industry-leading sweat and shock absorption. Together with the four-way stretch mesh main body and flat seams construction, this is the new pinnacle in all-day performance and comfort. - 81% Polyester/19% Elastane construction with a made in Italy TMF 6 hour carbon fiber strand pad - Custom wide elastic waist band with TLD signature logo for excellent comfort - Premium four-way stretch mesh main fabric for highest level of breathability - Flat seams inside and out allow for comfy, compression fit - 3" compression leg cuff with custom silicone gripper print - 9" inseam
Castelli Core Seamless Base Layer LS
$55.99 $79.98 30% Off
Time to give seamless base layers another try. Seamless construction promises stretch and comfort, but most base layers on the market have a nylon and Lycra mix that feels comfortable when you put it on but then ends up feeling wet when you're actually riding, and you freeze when you stop. We've worked hard to make this Core Seamless base layer keep you warm and dry, thanks to the addition of polypropylene and polyester yarns, while not compromising the stretch comfort of seamless. We think we've found the sweet spot that also provides a nice level of warmth for cool to cold days. - 84% polyester / 16% polypropylene yarns provide soft, warm wicking and exceptional stretch fit - Seamless construction means extra comfort - Lighter weight on side and back - Wide neck opening to fit under short-collared jerseys
G-Form Women's Pro-X3 Bike Short Liner
$99.99
- Body-mapped, impact-absorbing SmartFlex pads offer form-fitting and lightweight protection that is flexible as you ride and hardens on impact - Ventilated SmartFlex hip pads allow airflow to keep wearer dry and comfortable - 4+ hour chamois to remain chafe-free (Not included on youth) - Moisture-wicking, UPF 50+ compression fabric - Side leg pocket - Women's short liner has high waist, yoga-style waistband, and longer inseam for a more comfortable fit - Machine washable - CE PPE II—15613 Impact Attenuation / 1621-1 coverage
Terry Terry Cyclo Brief 2.0
$59.95
The ideal solution for riding in your regular clothing. For 2022, Terry completely redesigned the Cyclo Brief using new fabrics and a more abbreviated approach. You'll find it to be very lightweight and breathable thanks to perforated nylon/spandex with a soft elastic waistband, and raw cut legs that will disappear under tight bottoms. - 90% nylon/10% spandex - Laser cut leg openings - Perforated fabric for increased breathability - Low profile, soft, debossed elastic waistband won't add bulk for layering - Reticulated chamois - Reticulated foam technology, creating a pad that's significantly thinner and lighter, more - Breathable and ideal for indoor conditions. - Breathable - Moisture Wicking - Antimicrobial Reticulated Chamois: Uses reticulated foam technology, creating a pad that's significantly thinner and lighter, more breathable, and ideal for indoor conditions. Narrower, seamless, 4-way stretch Elastic Interface Technology chamois with Terry's innovative soft wing construction; antimicrobial cover. Made in Italy.
G-Form Pro-X3 Bike Short Liner
$99.99
These body-mapped, impact-absorbing SmartFlex pads offer form-fitting and lightweight protection that is flexible as you ride and hardens on impact. - Ventilated SmartFlex hip pads allow airflow to keep wearer dry and comfortable - 4+ hour chamois to remain chafe-free - Moisture-wicking, UPF 50+ compression fabric - Side leg pocket - Machine washable - CE PPE II—15613 Impact Attenuation / 1621-1 coverage
Bellwether Women's Premium Mesh Undershorts
$65.00
High-density, quick-drying chamois combined with highly ventilated moisture managing fabrics designed to be worn under trail short Features - Techmesh™ inner short with premium chamois - Ergonomic form fitting panel design - Soft front waistband improves comfort - Flat stitch construction - Externally sewn silicone leg gripper Inseam: 7 1/2” (Size Medium) Fabric: Techmesh™ Chamois: Contour Pro™
Pearl Izumi Men's Merino Long Sleeve Baselayer
$90.00
This highly technical base layer delivers true sustainable performance. The key to staying comfortable on cold days is staying dry. We used a construction method called plating to place recycled polyester technical fibers next to skin on our responsibly sourced Merino wool, long-sleeve base layer. By putting polyester next to the rider’s skin, it transports moisture away to the Merino layer where it can evaporate even as the wool acts as insulation. The base layer uses a set-in sleeve design for a versatile form-following fit to make layering easy. - Transfer Merino fabric combines wool and recycled polyester for sustainable technical performance. - Unique plated fabric construction places polyester next to skin and merino on the exterior for superior moisture transfer and thermal regulation. - Made using fine 18.5-micron merino wool for superior comfort. - Recycled Repreve XS Polyester technical fibers are made from recycled plastic water bottles. - Set in sleeve construction for easy layering and versatility. - Wool Blend Performance certified by the Woolmark Company to ensure the highest quality product.
Pearl Izumi Men's Merino Thermal Long Sleeve Baselayer
$110.00
This is our heaviest base layer, at 250g/m2. It combines our 18.5-micron responsibly sourced Merino and recycled polyester technical fibers in a remarkable construction that positions the polyester next to your skin for maximum wicking while the wool faces out for superior insulation. With its long sleeves it is the ideal garment to layer beneath one of our AmFIB jackets. Thumb loops keep the sleeves in place as you pull on your jersey. - Mid-weight Transfer Merino fabric combines wool and recycled polyester for sustainable technical performance. - Unique plated fabric construction places polyester next to skin and merino on the exterior for superior moisture transfer and thermal regulation. - Made using fine 18.5-micron merino wool for superior comfort. - Recycled Repreve XS Polyester technical fibers are made from recycled plastic water bottles. - Set in sleeve construction for easy layering and versatility.
Craft Active Intensity Crew
$64.99
Designed to perform during intense activities in mild to cold conditions. This crew neck base layer is constructed of bodymapped elastic fabric for ideal body temperature management. - Tight-fitting - Flatlock seams - Quick-drying
Craft Active Intensity Crew
$64.99
Designed to perform during intense activities in mild to cold conditions, this crew neck base layer is constructed of bodymapped elastic fabric for ideal body temperature management. - Tight-fitting - Flatlock seams - Quick-drying
GORE C5 Liner Short Tights+
$90.00
A liner short designed for the serious rider. Minimal but durable padding is placed exactly where you need it, reducing bulk while maintaining comfort. Pair this liner with your favorite overshort for all-day comfort on the trail//bike. - Comfortable elastic waistband - GORE WINDSTOPPER Cup Technology - ADVANCED MTB seat insert - Gripper elastic on bottom hem - Mesh inserts for better ventilation
GORE M GORE WINDSTOPPER Base Layer Shirt
$80.00 - $90.00
For cool to cold days, the addition of a GORE WINDSTOPPER base layer to your normal clothing set up will keep you warmer without adding bulky layers. Keeping sweat off your skin will keep you cool on the way up & prevent wind chill on the way down. - Extra-long back - GORE WINDSTOPPER insert on front, over shoulders and on kidney area - GORE WINDSTOPPER Technology: windproof, water resistant, highly breathable - Quick dry - Next-to-skin comfort - Minimized seams - Thin and soft fabric - Reflective logo on front - Flat-lock seams
GORE C3 Women Liner Short Tights+
$60.00
A liner designed to maximize riding comfort and breathability in a feminine fit, while still giving you the freedom to wear your favorite overshort on the outside. This liner will get you to your destination with minimum sweat and maximum comfort. - Comfortable elastic waistband - Loops at waistband for attaching to outer short - ACTIVE VARIOUS women's seat insert - Gripper elastic on bottom hem - Mesh inserts for better ventilation
RaceFace Stash Storage Liner Bib
$83.00
The STASH collection was developed for the growing number of riders trending away from using full hydration packs (especially on shorter rides) but still wanting the convenience of carrying items in a secured, balanced location. This new category offers a combination of storage core layers: tank, liner and bib. STASH gives riders the option to carry a bladder, spare tube, tool, pump, snacks, etc without having to wear a traditional pocketed XC jersey. - Fabric is a four-way stretch ultra-breathable mesh - Flatlock stitching throughout - STASH back pocket system - TMF Italian-made chamois with anti-bacterial technology - Left and right leg stash pockets - Silicone gripper at leg cuff opening - Laser-cut sublimated leg cuffs
Terry Terry Performance Liner
$79.95
The Terry Performance Short Liner is designed for more serious cycling uses. Outfitted with the premium Flex Air chamois and made of mesh, it's a great option to pair up with any bottom. - 75% nylon/25% spandex mesh - 1 3/4 inch soft, debossed elastic at waist and legs - flat-seam construction reduces the potential for chafing -  silicone chain grip on inside leg bands adheres without binding - Flex Air Chamois with soft wing technology & perforated foam for breathability - 6.75 inch inseam - Breathable - Moisture Wicking
Endura Translite Windproof S/L Baselayer
$59.99
Ultra-Lightweight Baselayer with Critical Wind Protection - Stretch windproof paneling provides protection through the front, shoulder, and sides - Extra-fine-gauge rapid-wicking mesh fabric back panels for maximum breathability - Strategically positioned mesh back panel - Cycle-specific paneling with flatlock stitched seams - Temperature recommendation; 5-20°C
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