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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.

$29.99 - $49.99 $49.99 Up to 40% Off
- Rapid wicking, cotton-feel stretch mesh fabric for comfort - Clickfast compatible with baggy shorts in the Endura range - Stretch technology antibacterial 200-Series pad - Soft elastic comfort hem and waist gripper - Anatomic cycle-specific fit
$29.99 - $49.99 $49.99 Up to 40% Off
Key Benefits: -Rapid wick, Soft-feel stretch mesh fabric for comfort -Contains >80% recycled fabric -Clickfast™ compatible with baggy shorts in the Endura range -Stretch technology antibacterial 200-Series pad -Soft elastic comfort hem and waist gripper -Anatomical cycle-specific fit -Packaged in carton
$44.99 - $74.99 $69.99 - $74.99 Up to 40% Off
The 100% Men's Crux Liner Short's offers consistent comfort no matter what your biking adventure entails. Made entirely of mesh, this liner allows airflow to circulate, making it quick drying, and ensures enhanced ventilation on warmer rides. The material also retains anti-odor properties for even more comfort on multi-day tours. As for the chamois, Cytech's premium microfiber pad adds a level of softness not found in other shock-absorbing inserts. We love these liners and so will you! Also available in a women's cut.
$44.99 - $74.99 $74.99 Up to 40% Off
- Polyester/elastane quick dry, anti-microbial mesh - Brushed logo elastic waistband for comfort - Flat-locked seams maximize comfort while minimizing chaffing - Premium Cytech chamois for best performance
$44.99
Padded boxer short in rapid wicking stretch mesh fabric. - Rapid wick, cotton-feel stretch mesh fabric for comfort - Stretch technology antibacterial 200-Series pad - Soft elastic comfort hem and waist gripper - Anatomic cycle-specific fit
$49.95
Lightweight formfitting baselayer designed to be worn under jersey. - Ultrasoft material with slim silhouette - Designed to fit close to body without being overly restrictive - Moisture-wicking material aids in cooling - Full garment produced from recycled fabrics
$49.99 - $69.98 $94.99 Up to 47% Off
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
$49.99
Design Philosophy: Endura are market leaders in MTB and commuter cycle shorts. Many of our best-selling styles come complete with a Clickfast™ detachable padded liner to ensure that you have a great comfort riding experience.So popular are these liner shorts that we made them available to buy as an individual product in their own right. Fabric Technology: The fabric used on this product is a mesh construction, light enough to avoid overheating and yet supportive to prevent movement of the seat pad. The fabric has a rapid wick treatment to prevent a build up of moisture and chafing. The waistband is a soft elastic jacquard construction for comfort and support. Fit: This product is in a women's standard fit suitable for a broad range of body shapes. Functional Detail: The seat pad is our very own 200 series pad for wicking comfort throughout the day. And can be quickly clicked in and out with ClickfastTM attachment system, interchangeable with other mtb cycle shorts in our range. Key Benefits: - Rapid wick, Soft-feel stretch mesh fabric for comfort - Contains >80% recycled fabric - Clickfast™ compatible with baggy shorts in the Endura range - Stretch technology antibacterial 200-Series pad - Soft elastic comfort hem and waist gripper - Anatomical cycle-specific fit - Packaged in carton
$50.99 - $84.99 $84.99 Up to 40% Off
100%'s light weight, breathable liner short is built to enhance your cycling comfort when worn under your favorite short or pant. The premium chamois provides an added layer of padded protection which allows for extended usage during your lengthy trail rides or daily commute.
$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
$59.95
An essential sleeveless, slim-fit base layer. The Women's Tecbase Sleeveless Tee brings an ultrasoft and comfortable feel to your next ride or workout. It's an ideal layering piece under motocross or mountain bike jerseys but can be worn as a stand-alone shirt at the gym or during workout sessions. The 4-way stretch fabrication ensures you have a true range of motion during all athletic endeavors. Its slim silhouette and style are enhanced by the use of moisture-wicking material that aids in cooling by moving sweat away from your body as you put in the work. Specifications: - Women's sleeveless base layer - Ultrasoft material for all-day comfort - 4-way stretch fabric for unrestricted movement - Slim silhouette fits close to the body without being restrictive - Moisture wicking to keep you dry, cool, and comfortable - Garment produced from recycled fabrics - Fox Head silicone logo on center chest - Hi-low hem
$59.95
An essential sleeveless, slim-fit base layer shirt The Tecbase Sleeveless Tee brings an ultrasoft and comfortable feel to your next ride or workout. It's an ideal layering piece under motocross or mountain bike jerseys but can be worn as a stand-alone shirt at the gym or during workout sessions. The 4-way stretch fabrication ensures you have a true range of motion during all athletic endeavors. Its slim silhouette and style are enhanced by the use of moisture-wicking material that aids in cooling by moving sweat away from your body as you put in the work. Specifications: - Men's sleeveless base layer - Ultrasoft material for all-day comfort - 4-way stretch fabric for unrestricted movement - Slim silhouette fits close to the body without being restrictive - Moisture wicking to keep you dry, cool, and comfortable - Garment produced using recycled fabrics - Fox Head silicone logo on center chest
$59.99
A good base layer is the foundation of any technical layering system. The engineered construction on this garment provides incredible stretch and minimal seams, while the varied panels of fabric density deliver extra wicking or warmth where you need it most. This garment uses 3D knit to provide a soft, thermal barrier—perfect for when days are short and the air gets nippy. The rapid wicking yarn offers unrivaled moisture management and the panel technology is designed to avoid chaffing, allowing you to layer up yet stay comfortable. The athletic skin-tight fit prevents gaps through which cold air can flow down, providing you with a natural feeling thermal layer. - Rapid wicking yarn - Varied knit for balance of warmth, wicking and reshaping without additional seams - 3D knit that reduces jersey contact with skin - Seamless panel technology to prevent chafing - Athletic skin-tight fit
$59.99 - $99.99 $99.99 Up to 40% Off
Engineered to deliver friction free pedaling, performance, and phenomenal breathability, the Pearl Izumi Women'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 W 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 legs slides easily under shell shorts, providing a friction-free pedaling experience - Optimized with the superior W ELITE Escape 1:1 Chamois - Two thigh pockets for carrying ride essentials - 8” inseam
$59.99 $79.99 25% Off
It's what's inside that counts. Your favorite shell shorts have a new best friend. The Troslo Liner Short features compressive main body fabrics to help fight muscle fatigue and chaffing, while full mesh side panels offer ultimate breathability. Details: - An eco-conscious liner short with a form-fitting, dual-density pad optimized for performance and comfort. - Full-mesh side panels offer ultimate breathability - A wide waistband keeps shorts secure with even pressure distribution - A lightweight chamois wicks moisture and provides excellent breathability - Low-profile silicone leg grippers keep things in place - Pairs perfectly with the Trek Rhythm Mountain Short - A fitted cut provides a streamlined body fit for enhanced performance
$65.99 - $119.99 $109.99 - $119.99 Up to 40% Off
This highly technical base layer delivers true sustainable performance. You've never worn a Merino base layer like this. We use a unique fabric construction method to place polyester fibers against your skin to improve wicking, and Merino facing the jersey for temperature regulation and odor control. The 18.5-micron Merino is responsibly sourced while the polyester is spun from recycled water bottles. The polyester also increases the base layer’s durability. The short sleeves feature a set-in construction for a versatile next-to-skin form fit. - 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.
$69.95
An essential and comfortable sports bra The Tecbase Bra is essential for any gym or workout, indoor or out. Worn as a baselayer, it delivers added support to your training routine, with features designed to keep you cool as you work up a sweat. The mesh racerback construction is secure and breathable, while the body-mapped laser perforations on the front of the bra increase airflow. With soft shoulder straps and elastic hem to reduce chaffing, plus interior side slit pockets to store small items, this is the bra you need for chasing down your fitness goals. Specifications: - Sculpted underbust seam for added support - Interior side slit pockets for storing small items - Breathable mesh racerback construction - Soft interior hem elastic to reduce chafing - Soft elastic shoulder straps - Laser perforated front for breathability - Garment produced using recycled fabrics - Slim silhouette fits close to the body without being restrictive - Fox Head silicone logo on left side
$69.95
An essential slim-fit, long sleeve base layer. The Tecbase Long Sleeve Tee brings an ultrasoft and comfortable feel to your next ride or workout. It's an ideal layering piece under motocross or mountain bike jerseys, but can be worn as a stand-alone shirt at the gym or on workout sessions. The 4-way stretch fabrication ensures you have a true range of motion during all athletic endeavors. Its slim silhouette and style are enhanced by the use of moisture-wicking material that aids in cooling by moving sweat away from your body as you put in the work.
$69.99
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
$74.95
The most essential part of your ride.
$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.
$77.99 - $129.99 $124.99 - $129.99 Up to 40% Off
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.
$89.99
The hidden secret to comfort in the saddle, Endura's undershorts collection offers a range of options. The Bike Boxer features a thin layer of padding, slim enough to wear all day, and sold in a twin pack for added value. A thin layer of padding makes spending time on a saddle more comfortable without even realizing it is there when your not. The rapid wick, cotton-feel stretch fabric, and soft jacquard waistband make the Bike Boxer comfortable on and off the saddle. - Rapid wick, cotton-feel stretch fabric for comfort - Minimal all-day wearing pad - Soft jacquard waistband - Twin pack
$89.99
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)
$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.
$94.95
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
$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.
$99.99
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
$99.99
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)
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