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Undergarments
Searching for cycling undergarments but unsure where to look? Browse our selection of cycling undergarments for sale at Sweet Petes Bike Shop.
$274.95
Low-profile sleeveless baselayer guard
The Baseframe Pro Short Sleeve is a breathable baselayer with built in guards on the shoulder. It's designed to be worn under your jersey for low-profile coverage. It includes a removeable back insert, increasing your impact protection, while the fabric wicks away sweat as you ride and keeps you cool. The Baseframe Pro will fit snug and secure—the polymer softens to conform to your body as it is warmed by your own heat—offering minimal restrictions and maximum benefit. The more you ride, the better it feels.
- Exceeds EN1621-1 level 1 back certification including high and low temperature conditions
- Removable CE certified D3O Viper back insert features world leading impact protection technology
- Large perforation and flex grooves in the back foam contours and flexes with rider movement
- EN1621-1 Level 1 D3O shoulder inserts for additional protection
- Body heat activates (softens) the polymer to conform to body
- Moisture wicking, open stretch mesh for breathability
CERTIFICATIONS
- Exceeds EN1621-1 level 1 back certification
- EN1621-1 level 1 shoulder inserts for additional protection
$249.95
- Minimal restrictions, maximized benefits
- Removable CE EN1621-2 Level 1 Certified D3O® Viper Stealth™ back insert features world leading impact protection technology
- Large perforation and flex grooves in the back foam contours and flexes with rider movement
- EN1621-1 Level 1 D3O® shoulder inserts for additional protection
- Body heat activates (softens) the polymer to conform to body
- Moisture-wicking, open stretch mesh for breathability
- D3O® inserts are removable for easy washing
$234.99
Moisture-Wicking Baselayer with Integrated Back and Hip Guards
The Baseframe Pro Sleeveless base layer provides moisture management, cooling, and protection in a single low-profile unit. Designed to be worn under your jersey, it provides EN1621-1 Level 1 back protection. Hip pads provide additional protection.
Features
- EN1621-1 Level 1 Back including high and low-temperature conditions
- CE Certified D3O back insert world-leading impact protection technology
- Large perforation and flex grooves in the back foam contours and flexes with rider movement
- Body heat activates (softens) the polymer to conform to body
- Moisture-wicking, open stretch mesh for breathability
- Built-in padding at hips offers additional comfort
- D3O back insert is removable for easy washing
Construction
- 35% PU / 37% nylon / 8% polyester / 20% Eva
$209.95
LOW PROFILE UNDER SHORT THAT MEETS CE LEVEL HIP PROTECTION STANDARDS
- Removable CE EN1621-2 Level 1 Certified hip inserts feature world-leading impact protection technology by D3O®
- Nylon spandex main body material for maximum mobility and increased durability
- Dual-Density COMP chamois for maximum comfort in the saddle
- Wide elastic lower leg keeps your short in place while pedaling
- Left thigh storage pocket for carrying small essentials
- D3O® inserts are removable for easy washing
$189.99
Nothing can ruin a fun day on the trails like an uncomfortable connection to your saddle. Giro designed their Men's Base Liner Bib Short to be lightweight and comfortable under your baggy shorts, with a chamois that allows you to get rowdy on the trails all day. They are constructed with lightweight, breathable materials and moisture-wicking side panel mesh, and they feature three Expandable Storage Pockets (ESP) so you can carry everything you need without a pack. And since you gotta go when you gotta go, the Men's Base Liner Bib Short features a fly opening.
- Base liner chamois
- Lightweight, breathable material
- Wicking side-panel mesh
- Breathable mesh straps
- Fly opening
- Leg gripper
- 3 Expandable Storage Pockets (ESP)
- Formfitting
- Fabric: polyester, spandex, elastane, nylon
$169.95
Armored base short offering concealed coverage.
Baseframe Pro Shorts offer superior comfort and lightweight impact resistance in strategic areas. It has a slight compression fit with Poron® hip and tailbone pads for a great balance of comfort and coverage.
Key Features and Specifications:
- Low-profile hip guard and knee-brace sock in one single unit
- Articulated multi-paneled main body construction
- Anatomically shaped 6 mm Poron® molded foam hip, thigh, and tailbone pads offer world-class impact protection
- Stretch nylon/spandex with compression for superior stretch and comfort
- Stretch-elastic waist moves with you as you ride and offers a secure fit
- Elastic waistband ensures proper fit and keeps short in place under racewear
Materials:
64% polyamide nylon, 19% polyurethane, 17% elastane
Care:
- Machine wash cold & gentle
- Use a gentle detergent
- Line dry
- Do not bleach
- Do not iron
- Do not dry clean
$159.95
LOW PROFILE UNDER SHORT DESIGNED FOR INCREASED COMFORT AND PROTECTION
- Nylon spandex main body material for maximum mobility and increased durability
- Molded hip protection conforms to your body and is designed to protect against impacts
- Dual-Density COMP chamois for maximum comfort in the saddle
- Wide elastic lower leg keeps your short in place while pedaling
$149.99
Fully featured Bib Liners with cargo carrying capacity.
- Rapid wicking stretch fabric and lightweight mesh panels for enhanced ventilation
- 550 Series Mountain stretch antibacterial pad with breathable high-density foam and a fully recycled stretch top sheet
- Double layer with direct silicone print on inner hem for comfortable leg grip
- Tall rear bib pockets can house back protectors or bladders
- Additional rear bellows pocket for essentials
- Vertically mounted Clickfast system provides height adjustability
- Fully printed mesh panels for graphic impact
- Supercharge your baggy shorts comfort and performance
$149.99
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
$149.99
- 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
$89.99 - $149.99
$149.99
Up to 40% Off
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.
$89.99 - $149.99
$149.99
Up to 40% Off
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.
$140.00
Think of Foundation as a base layer for your lower half. Constructed with an airy, open mesh and a unique Force platform chamois finished with a front cut-away to relieve heat build up around sensitive areas, Foundation drives massive amounts of airflow, all while laying down a level of comfort equal to 7mesh standalone padded shorts.
Materials:
- Body: 78% nylon, 22% elastane
- Contrast: 77% nylon, 23% elastane
- Chamois: Elastic Interface Mens Performance Force (made with recycled content)
Features:
- Highly breathable open mesh
- Mens Performance Force chamois with innovative front cutaway for breathability
- Clean-cut hem with silicone gripper
- Inseam: 8.5" / 21.5cm
- Weight: 129g
$84.00 - $140.00
$140.00
Up to 40% Off
Think of the Foundation as a base layer for the bike. Made with an airy, open mesh and an innovative, free-feeling chamois, Foundation invites refreshing airflow right where it's needed most and dries fast under intense efforts in hot conditions.
Materials:
- Body: 78% nylon, 22% elastane
- Contrast: 77% nylon, 23% elastane
- Chamois: Elastic Interface Womens Performance Force (made with recycled content)
Features:
- Highly breathable open mesh
- Women's Performance Force chamois with low-bulk front and side for invisible feel
- Clean-cut hem with silicone gripper
- Inseam: 8" / 20.5cm
- Weight: 110g
$134.99
Giro designed their Women's Base Liner Bib Short to be lightweight and comfortable under your baggy shorts, with a chamois that's comfortable on the trails all day. Constructed with lightweight, breathable materials and moisture-wicking side-panel mesh, they feature three Expandable Storage Pockets (ESP) so you can carry everything you need without a pack. The Women's Base Liner Bib Short features halter bib construction, which makes the "go" easy on the trails -- you don't even need to remove your jersey or helmet.
- Base liner chamois
- Lightweight, breathable material
- Wicking side-panel mesh
- Breathable mesh upper
- Halter bib construction
- Leg gripper
- 3 Expandable Storage Pockets (ESP)
- Formfitting
- Fabric: polyester, spandex, elastane, nylon
$130.00
Tailored from Ashlu Merino wool, this baselayer program will keep you riding through the seasons.
Ashlu base layer delivers the thermoregulation and antibacterial properties that make this natural fibre so popular, without compromising strength and durability. The Ashlu Merino Base Layer is the perfect first layer and pairs well with WTV, Airmap, and Callaghan Jerseys, to name a few.
$130.00
Tailored from Ashlu Merino wool, this baselayer program will keep you riding through the seasons.
Ashlu base layer delivers the thermoregulation and antibacterial properties that make this natural fibre so popular, without compromising strength and durability. The Ashlu Merino Base Layer is the perfect first layer and pairs well with WTV, Airmap, and Callaghan Jerseys, to name a few.
$129.99
A good base layer should enhance the riding experience, not distract from it. Thanks to seamless design and moisture-wicking properties, the Chrono Sleeveless Base Layer is the ultimate layer.
The lightweight engineered knit Chrono Base Layer does just that. It features nylon thread to ensure a soft feel, while polyester content pulls moisture away from your skin. It has enough stretch to allow freedom of movement and fit your body comfortably. It's also extremely light and tucks easily under a bib short without any bunching.
- Wikpro material
- 60% nylon
- 30% polypropylene
- Seamless construction
$74.99 - $124.99
$124.99
Up to 40% Off
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.
$53.90 - $114.99
$114.99
Up to 53% Off
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
$109.99
High-Performance Mesh Liner short.
- Rapid wicking stretch fabric for cool comfort
- Lightweight mesh panels for enhanced ventilation
- 550 Series Mountain stretch antibacterial pad with breathable high-density foam and a fully recycled stretch top sheet
- Double layer with direct silicone print on inner hem for comfortable leg grip
- Clickfast system
- Don't compromise on butt comfort in your baggies
$109.99
The Men's Base Liner Shorts are constructed with lightweight, breathable materials and moisture-wicking side-panel mesh, making them ultra-comfortable under whatever baggy shorts you choose. And to make things just a little bit easier for you, the Men's Base Liner Short features a fly opening so you can easily take care of business while you're out on the trails.
- Base liner chamois
- Lightweight, breathable material
- Wicking side-panel mesh
- Fly opening
- Soft-brushed elastic waistband
- Leg gripper
- Formfitting
- Fabric: polyester, spandex, elastane
- Inseam: 9" / 22.9cm (size M)
$109.99
The Women's Base Liner Shorts are constructed with lightweight, breathable materials and moisture-wicking side-panel mesh. And since nothing is more distracting on a ride than liner shorts pinching and bunching under your baggies, Giro constructed the Women's Base Liner Short with a wide comfort waistband, making them disappear under whatever baggy shorts you choose.
- Base liner chamois
- Lightweight, breathable material
- Wicking side-panel mesh
- Wide comfort waistband shape
- Leg gripper
- Formfitting
- Fabric: polyester, spandex, elastane
- Inseam: 7.5" / 19cm (size S)
$109.99
Great under jeans, baggies, or a pair of athletic shorts, the Women's Boy Undershort II is convenient and reliable.
They're made of technical polyester wool blend material, which feels great against skin and provides all the natural stretch you need. For an incredibly comfortable ride from dawn until dusk, the shorts are also equipped with a CyTech Tri-Chamois pad and a non-binding waistband. Gear up and get after it.
- Drirelease moisture management
- 84% polyester
- 11% merino wool
- 5% elastane
- Soft-brushed elastic waistband
$65.99 - $109.99
$109.99
Up to 40% Off
Because it’s worn directly against the skin in conditions where sweating-through can have ride- ending consequences, a cold weather baselayer needs to feel luxurious and keep you dry. Our Transfer Wool Baselayer expertly does both thanks to the performance properties and super cozy feel of DriRelease® wool. Cotton-soft to the touch, this smart fabric leverages the wicking and insulating properties of natural Merino yarn that is wrapped around synthetic fibers. The result is a push-pull effect where moisture is pushed away from the body and heat stays in, leaving you with a strong foundation to tackle the most dynamic rides. The form fit design, longer cut through the torso, and thumb loops elevate this staple and make it ready to tuck, layer and go.
$104.99
Our Enduro Knee 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 knees 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 knee inserts for the perfect balance of comfort and protection
- Silicone grip top and bottom to hold the guard in place
- Nylon, spandex micro lycra
$104.99
Our Technical Riders Short Sleeve Base Layer is technically engineered for comfort and performance, to be worn all year round to help you regulate body temperature in a wide range of temperatures and conditions.
It will help keep you warm in colder conditions as part of a layering system, and dry in warmer conditions where the high-wicking 3D knit fabric will rapidly move moisture away from the body.
The high stretch fabric provides a soft compressive fit, whilst the circular knitted construction and minimal flatlock seams keep chafing at bay and the comfort high. Fabric treatment inhibits the growth of odor-causing bacteria, keeping you fresher for longer.
- Technical knit lightweight stretch fabric
- Breathable comfort for a range of conditions
- Moisture wicking and quick drying
- Seamless construction for comfort
- Fabric treatment keeps you fresher for longer
- Compressive panels at the side of torso
- Close fitting
- Mid height ribbed collar
$104.95
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
$94.99
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
$94.99
Ditch the heavy pack with the lightweight Women's Base Liner Storage Vest, part of our Renew Series. With lightweight breathable mesh, 3 rear storage pockets, and next-to-body storage, you'll be able to carry everything you need, and nothing you don't.
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