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Undergarments

$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.

$129.99
The Flex Suit offers customisable 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.

$54.99
This is our base layer for the warmest conditions. The mesh is open to create a space on the skin for sweat to evaporate. The 10% elastane content makes it very stretchy and helps in moisture retention so that you're always getting evaporative cooling.
- Magic Mesh 90% polyester, 10% Elastane wicking fabric
- Minimalist lightweight construction
- Reduced seams for maximum comfort

$94.99
PROSECCO TECH SHORT SLEEVE
The first goal of this base layer is to move moisture away from your skin while adding minimal insulation for those cool days when your riding intensity is high enough and your outer layers are warm enough.
The areas covered by the bibtight around the waist and up the back can get hot, so we used a lightweight PrimaLoft fabric to help even out the temperature.
This base layer works best when in contact with the skin, so both fabrics are very stretchy and the cut is slim.
On extremely cold days we'll use this as a first layer under a Flanders Warm second base layer, or under a thermal jersey. It's very effective at moving sweat away from the body.
WHAT IT IS
Made to keep you dry in cool conditions, this base layer features body mapping construction with Prosecco hydrophilic treatment on the main body fabric and lighter-weight PrimaLoft fabric aligned to the parts of the body covered by the bibtight straps.

$94.99
WHAT IT IS
Made to keep you dry in cool conditions, this base layer features body mapping construction with Prosecco hydrophilic treatment on the main body fabric and lighter-weight PrimaLoft fabric aligned to the parts of the body covered by the bibtight straps.
PRODUCT FEATURES
- Proprietary stretch rib knit 100% polyester main body fabric with Prosecco hydrophilic treatment for maximum wicking
- PrimaLoft panels at waist and back where bibtight covers upper body, to reduce uneven insulation
- Crew neck closure to fit under short-collared jerseys
- 6°-15 °C / 43°-59°F
- Weight:87 g

$109.99
BLUSTERY WEATHER? NO PROBLEM
This product was made for the conditions of Flanders in February. Or basically any month in Flanders between September and May.
High-loft fleece on the inside provides warmth to spare, and you’ll love the softness on your skin with the excellent moisture management of this 100% multi-denier fabric. It’s stretchy for a perfect fit, and the flat-lock seams add an extra touch of quality.
- SottoZero Fleece multi-denier 100% polyester fabric
- Flat-lock stitching
- Mesh armpit insert
- Flat hem tucks away in tights
- -4°-10°C / 25°-50°F
- Weight: 103g

$109.99
Insulate yourself against the harshest winter rides with Castelli's Flanders Warm LS. Made to withstand your coldest days on the bike, the Flanders features SottoZero Fleece fabric for exceptional warmth. Flatlock stitching ensures a smooth feel against your skin, and mesh armpit inserts allow venting right where you need it. A flat hem tucks easily into tights so you avoid bunching, while the high collar keeps your neck warm and drafts at bay.
PRODUCT FEATURES
- SottoZero Fleece multi-denier 100% polyester fabric
- Flat-lock stitching
- Mesh armpit insert
- Flat hem tucks away in tights
- -4°-10°C / 25°-50°F
- Weight:184g

$59.99
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

$59.99
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

$39.99
The UnDLite is stretchy and thin, engineered for wearing as the first against-the-skin base layer. Made in the USA from soft, warm, and moisture-wicking fast-drying recycled fiber. Suitable for temperatures from 50F to 100F. Machine wash cool, tumble dry low.
56% Recycled Polyester, 25% Recycled Nylon, 10% Spandex, 9% Flat Poly

$39.99
The UnDLite is thin and form-fitting, engineered for wearing as the first against-the-skin base layer. Made in the USA from moisture-wicking fast-drying fiber. Suitable for temperatures from 40F to 80F. Machine wash cool, tumble dry low.
100% Polyester

$94.99
- 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
- Moisture-wicking, UPF 50+ compression fabric
- Side leg pocket
- Machine washable
- CE PPE II—15613 Impact Attenuation / 1621-1 coverage

$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

$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

$55.00
Essential for cycling, running and outdoor adventures, this base layer will enhance your comfort throughout the day by aiding moisture management. Keeping the sweat off your skin will keep you cool on the way up & prevent wind chill on the way down.
- Extra-long back
- Quick dry
- Next-to-skin comfort
- Minimized seams
- High-stretch material enables close fit with maximum comfort
- Great moisture management
- Thin and soft fabric
- Flat-lock seams

$65.00
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

$70.00
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

$80.00
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

$80.00
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

$80.00
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.

$59.99
Technical Details
- Fit Tech: Standard
- Fabric: Lightsens: Stretchable, light, breathable and quick-drying fabric
- Inner Technology: Removable chamois
- Chamois: Airsport
- Inseam: 9.5" / 24cm
- Leg Finish: Powerband at thighs
- Waist: Embossed elastic at waist

$59.99
Technical Details
- Fit Tech: Standard
- Fabric: Lightsens: Stretchable, light, breathable and quick-drying fabric
- Inner Technology: Removable Chamois
- Chamois: Airsport
- Inseam: 8" / 20.5cm
- Leg Finish: Powerband at thighs
- Waist: Flattering HugFit waist, embossed elastic at waist

$40.00
When you go by bike, some rides call for just a bit of cushion without the bulk of a standard cycling short. That' where the Minimal Liner Short comes in. Think of it as an upgraded pair of boxer briefs with our slim and breathable Versa chamois. This is your go-to liner for hot laps on your favorite trail, a day of lift access shredding, or your daily commute.

$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.

$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

$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

$75.00
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

$75.00
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

$80.00
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.
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