Undergarments

Our new and improved Women's Classic Thermal Merino Base Layer Pattern 1/4 Zip is here to bring you a better feeling, better performing, and better-looking garment. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Fit updated to improve functionality while enhancing aesthetics for a range of body shapes - Back body seam wraps to front for body-enhancing fit - Crew neck with raglan sleeves - Flatlock seam construction designed to minimize chafing - 8" (20 cm) center front zip with semi-locking slider - Knit in Vietnam: 100% Merino Wool - Garment Weight: 236 g = 8.32 oz

Pulling on an extra layer when the thermometer's rising might seem counterintuitive, but a proper base layer, like the Women's SL Sleeveless Base Layer, can make all the difference. Wearing a lightweight base layer helps wick sweat away from the body, generating an even greater cooling effect. This is all due to the wicking properties of our VaporRize mesh fabric. To top it off, features like soft-puff stitching eliminate abrasion-inducing seams, while our Slim Fit conforms to your body. - Cycling-specific fit and construction complement your movements in the saddle, while also allowing ample room for layering, eliminating bulk - Soft puff stitching gets rid of chafing by greatly reducing the number of seams - VaporRize mesh fabrics are engineered to rapidly wick moisture away from the skin, keeping you cool, dry, and comfortable in any condition - Women's-specific Form Fit closely and precisely conforms to the curves of the body, ensuring an unrivaled level of fit

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

This singlet fits like a second skin. The polypropylene material ensures the wearer feels dry and comfortable. Moisture is instantly transported to the outside. - 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

Pearl Izumi has outfitted this liner with their high quality SELECT Escape 1:1 Chamois, so you will no longer have to decide between the comfort of traditional bike shorts or the added breathability of a liner. The smooth-face mesh fabric used throughout the shorts body helps the liner move smoothly under your shell layer for unrestricted pedaling. - SELECT Escape 1:1 Chamois provides optimal moisture transfer and odor resistance - Updated pattern contours to the body for optimal fit when riding - Transfer Mesh fabric on main body prevents overheating while wearing shell shorts - Transfer fabric on lower legs is designed to allow shell shorts to move without friction during pedaling - Wide waistband provides comfort without extra pressure Main: 80% polyester, 20% elastane; Legs: 88% nylon, 12% LYCRA; Garment Weight (Size M): 120g

This women’s liner has been outfitted with Pearl Izumi's high quality women’s SELECT Escape 1:1 Chamois, so you'll no longer have to decide between the comfort of traditional bike shorts or the added breathability of a liner. The smooth-face mesh fabric used throughout the shorts body helps the liner move smoothly under your shell layer for unrestricted pedaling. - Transfer fabric provides optimal moisture management - Women’s SELECT Escape 1:1 Chamois provides moisture transfer, quick dry time and odor absorption - Gripper free - 8” inseam (Size M) - Main Body: 80% polyester, 20% elastane - Side: 88% nylon, 12% LYCRA elastane - Garment Weight (Size M): 101 g

Pulling on an extra layer when the thermometer's rising might seem counterintuitive, but a proper base layer, like the Men's SL Short Sleeve Base Layer, can make all the difference. Wearing a lightweight base layer helps wick sweat away from the body, generating an even greater cooling effect. This is all due to the wicking properties of our VaporRize mesh fabric. To top it off, features like soft-puff stitching eliminate abrasion-inducing seams, while our Slim Fit conforms to your body. - VaporRize mesh fabrics are engineered to rapidly wick moisture away from the skin, keeping you cool, dry, and comfortable in any condition. - Cycling-specific fit and construction complement your movements in the saddle, while also allowing ample room for layering, eliminating bulk. - Soft puff stitching gets rid of chafing by greatly reducing the number of seams. - Form Fit closely and precisely conforms to the curves of the body, ensuring an unrivaled level of fit.

Pulling on an extra layer when the thermometer's rising might seem counterintuitive, but a proper base layer, like the Women's SL Short Sleeve Base Layer, can make all the difference. Wearing a lightweight base layer helps wick sweat away from the body, generating an even greater cooling effect. This is all due to the wicking properties of our VaporRize mesh fabric. To top it off, features like soft-puff stitching eliminate abrasion-inducing seams, while our Slim Fit conforms to your body. - Form Fit closely and precisely conforms to the curves of the body, ensuring an unrivaled level of fit - Soft puff stitching gets rid of chafing by greatly reducing the number of seams - VaporRize mesh fabrics are engineered to rapidly wick moisture away from the skin, keeping you cool, dry, and comfortable in any condition

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 - enclosed elastic leg band - 5-inch inseam - Urban Chamois

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

Our Kids' Classic Thermal Merino Base Layer Bottom uses our super soft Mid 250 interlock knit—perfect for layering in cool conditions and great for wearing alone on a mild day. Now your kids can be as warm, dry and comfortable as you are. In your Smartwool base layers. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Merino-covered elastic waistband adds comfort - Flatlock seam construction designed to minimize chafing - Size M - Inseam: 20" (51 cm) - Knit in Vietnam: 100% Merino Wool

Combat cabin fever with warm layers that help kids stay outside longer. Our Kids' Classic Thermal Merino Base Layer Pattern Bottom uses soft Merino 250 interlock knit and all the benefits of responsibly sourced Merino wool, like temperature regulation and sweat management. These are the tights that your children need because warm, dry kids have way more fun. Features: - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Slim Fit - Merino-covered elastic waistband adds comfort - Flatlock seam construction designed to eliminate chafing - Size M Inseam: 20" (51cm) - Knit in Vietnam: 100% Merino Wool

From all-day ski sessions to snow day neighborhood gatherings, kids need warm gear to keep them outside doing what they love. Our Kids' Classic Thermal Merino Base Layer Pattern Crew uses soft Mid 250 interlock knit, great for layering in cool conditions. Now your kids can be as warm, dry, and comfortable as you are in your Smartwool base layers. Features: - Slim Fit - Crew neck with set-in long sleeves - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Flatlock seam construction designed to eliminate chafing - Knit in Vietnam: 100% Merino Wool

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.

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

Our Kids' Classic Thermal Merino Base Layer Crew is made of 100% responsibly sourced Merino wool to help your little ones stay comfortable on snow days and activities in the mountains. With a flatlock seam construction designed to minimize chafing, a crew neck built with set-in long sleeves, and all of the benefits of Merino, this kids' base layer will help them enjoy winter more. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Crew neck with set-in long sleeves - Flatlock seam construction designed to minimize chafing - Knit in Vietnam: 100% Merino Wool

This classic and best selling base layer feels like a second skin. Quickly moving moisture away from your skin will help you to stay comfortable and dry in all weather, keeping you warm in the winter and cooler in the summer. - 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

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 comfortable throughout your workout. - 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

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

Our Kids' Classic Thermal Merino Base Layer Zip T uses our super soft midweight interlock knit. This versatile Zip T is great in cool conditions and when you need to stay warm. And when the sun comes out, just zip the collar down. With Smartwool base layers, it's that easy. Features: - Slim Fit - 100% Merino Wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - 7" (18 cm) center front zipper with anti-chafing chin guard - Flatlock seam construction designed to minimize chafing - Knit in Vietnam: 100% Merino Wool

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

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.

When you're planning an adventure in challenging weather conditions, make sure you get the basics right. This GORE WINDSTOPPER long sleeve base layer will keep the wind off your core, allowing you to perform better in the worst weather conditions. - Extra long back - Elastic GORE WINDSTOPPER insert on front, at sleeves, over shoulders and on kidney area - Minimized seams for optimal comfort - Thin and soft fabric - Flat-lock seams

Description We've updated our Men's Classic Thermal Merino Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer. And our heaviest weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Fit updated to improve functionality while enhancing aesthetics - Merino-covered elastic interior waistband and traditional fly design - Flatlock seam construction designed to minimize chafing - Size M inseam: 30" (76 cm) - Knit in Vietnam: 100% Merino Wool - Garment Weight: 228 g = 8.04 oz

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

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams and a flatlock seam construction helps prevent chafing. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Fit updated to improve functionality while enhancing aesthetics - Shoulder panels eliminate top shoulder seams - Flatlock seam construction designed to minimize chafing - Knit in Vietnam: 100% Merino Wool - Garment Weight: 276 g = 9.74 oz

Our new Men's Classic Thermal Merino Base Layer Pattern 1/4 Zip has been rebuilt to provide you with a more functional and fashionable garment. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Fit updated to improve functionality while enhancing aesthetics - Shoulder panels eliminate top shoulder seams - Flatlock seam construction designed to minimize chafing - 10" (25 cm) center front zipper semi-locking slider - Knit in Vietnam: 100% Merino Wool - Garment Weight: 298 g = 10.51 oz

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction helps prevent chafing and increases your comfort level. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Fit updated to improve functionality while enhancing aesthetics for a range of body shapes - Back body seam wraps to front for body-enhancing fit - Crew neck with raglan sleeves - Flatlock seam construction designed to minimize chafing - Knit in China: 100% Merino Wool - Garment Weight: 218 g = 7.69 oz

We've updated the fit of our Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Fit updated to improve functionality while enhancing aesthetics - Shoulder panels eliminate top shoulder seams - Flatlock seam construction designed to minimize chafing - 10' (25 cm) center front zipper semi-locking slider - Knit in Vietnam: 100% Merino Wool. Exclusive Of Decoration - Garment Weight: 298 g = 10.51 oz

This minimalist-style crew is anything but insignificant. Our Women's Intraknit Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and gender-specific ventilation perfectly placed to maximize thermoregulation and breathability in high-intensity activities, it helps amplify moisture management, movement, and comfort. When you're in our best base layers, you're ready for anything. Features: - Slim Fit - Merino Sport yarn combines the power of Merino with the durability and fast dry times of polyester - Engineered construction uses knit structures to enhance performance with lighter weights and cleaner finish - Mesh ventilation seamlessly knit in gender-specific zones designed to keep the body dry and comfortable - 3D mapping results in near custom fit and freedom of movement while ribbed elbows provide added durability - Knit in India: 53% Merino Wool, 45% Polyester, 2% Elastane - Garment Weight: 180 g = 6.35 oz