Undergarments

From taking the chill out of cool morning bike rides to hiking to the summit of Quandary Peak, you need a versatile layer that works as hard as you do. The year-round Merino 150 base layer short sleeve is up to the challenge thanks to the body temp regulating properties and breathability of Merino. Featuring Core Spun technology, Smartwool wrapped Merino around a nylon core for added durability while still keeping the comfort of ultra-soft Merino next to skin. They added smooth flatlock seams to help minimize chafing and offset shoulder and side seams to lie smoothly beneath pack straps. Performs well on its own in warmer temps or layers up easily when cooler weather rolls in. - Slim Fit - Raglan sleeve design removes shoulder seams - Flatlock seam construction designed to eliminate chafing - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 133 g = 4.7 oz - Style: SW016041

With the Merino 250 quarter zip, you quit only when you want to. With next-to-skin Merino, it wicks and regulates core temp as a solo piece or smartly layers up when it gets chilly. First Layer fit with no-chafe. - Slim Fit - Interlock knit - 10" (25 cm) center front zipper - Shoulder panels eliminate top shoulder seams - Flatlock seam construction designed to eliminate chafing - Knit in Vietnam: 100% Merino Wool - Garment Weight: 285 g = 10.05 oz - Style: SW0NP603

The coldest days call for the smartest gear. The Merino 250 Bottom fits the bill with Smartwool's warmest weight fabric, a covered elastic waistband, and flatlock seam construction to keep you comfortable from first tracks to last chair. - Slim Fit; Mid Rise - Interlock knit - Covered elastic waistband and traditional fly design - Flatlock seam construction designed to eliminate chafing - Size M - Inseam: 29" (74 cm) - Knit in Vietnam: 100% Merino Wool - Garment Weight: 220 g = 7.76 oz - Style: SW0NP605

Smartwool's best selling and warmest base layer just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack. - Slim Fit - Interlock knit - Crew neck with set-in sleeves - Shoulder panels eliminate top shoulder seams - Flatlock seam construction designed to eliminate chafing - Knit in Vietnam: 100% Merino Wool - Garment Weight: 255 g = 9 oz - Style: SW0NP600

Smartwool's best selling and warmest base layer just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack. - Slim Fit - Interlock knit - Crew neck with set-in sleeves - Shoulder panels eliminate top shoulder seams - Flatlock seam construction designed to eliminate chafing - Knit in Vietnam: 100% Merino Wool - Garment Weight: 255 g = 9 oz - Style: SW0NP600

Cold days on the ski hill, blustery dog walks and spring camping: things that are all made better by the Merino 150 Base Layer Bottoms. Featuring Core Spun technology, Smartwool wrapped Merino around a nylon core for added durability while still keeping the temperature regulation and moisture management benefits of ultra-soft Merino next to skin. A wide waistband and smooth stitching up the comfort factor on these year-round favorites. - Slim Fit - Wide elastic waistband (40 mm) designed for ultimate comfort; keeps Merino next to skin - Stretch merrow stitching for comfort and a feminine aesthetic - Size M inseam: 29.5" (75 cm) - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 133 g = 4.7 oz - Style: SW015257

Every epic adventure starts with a solid foundation, and the last thing you want to overlook is the first layer you put on. Ultra-comfy Merino next to skin helps regulate body temperature, manages moisture and resists odors whether you're in Tennessee or Timbuktu. Features smooth, flatlock seams and a wide elastic waistband with Merino lining. Made from ultra-soft and durable Merino 150 fabric. - Slim Fit; Mid Rise - Fully functional fly - Wide elastic waistband (40 mm) designed for ultimate comfort; keeps Merino next to skin - Flatlock seam construction designed to eliminate chafing - Size M inseam: 6" (15 cm) - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 91 g = 3.2 oz - Style: SW014011

Keep pace with thermometer-busting temperatures in the PhD Wind Boxer Brief. A windproof front panel cuts frigid air. The rest of the brief is made with a keep-things-warm Merino-polyester blend that efficiently moves sweat away from your skin. The fabric dries quickly when your workout's done, so these briefs are always ready. Merrow seam construction ensures next-to-skin softness. - Slim Fit; Mid Rise - Minimal Merrow seam construction provides superior durability and is soft against skin - Elastic waistband with wool terry loop next to skin - Size M Inseam: 6" (15 cm) - Knit in Vietnam: Body - 56% Merino Wool, 44% Polyester; Mesh - 54% Merino Wool, 46% Polyester; Wind Panel - 100% Polyester; - Garment Weight: 94 g = 3.3 oz - Style: SW014017

Cold days on the ski hill, blustery dog walks and spring camping: things that are all made better by the Merino 150 Base Layer Bottoms. Featuring Core Spun technology, Smartwool wrapped Merino around a nylon core for added durability while still keeping the temperature regulation and moisture management benefits of ultra-soft Merino next to skin. A wide waistband and smooth stitching up the comfort factor on these year-round favorites. - Slim Fit - Wide elastic waistband (40 mm) designed for ultimate comfort; keeps Merino next to skin - Stretch merrow stitching for comfort and a feminine aesthetic - Size M inseam: 29.5" (75 cm) - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 133 g = 4.7 oz - Style: SW015257

Smartwool's year-round Merino 150 base layer tank is up to any challenge thanks to the body temp regulating properties and breathability of Merino. Featuring Core Spun technology, Smartwool wrapped Merino around a nylon core for added durability while still keeping the comfort of ultra-soft Merino next to skin. Smooth merrow stitching wraps from side to front for a feminine look. - Slim Fit - Classic racerback design - Side seams wrap to front for body-enhancing fit - Stretch merrow stitching for comfort and a feminine aesthetic - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 74 g = 2.6 oz - Style: SW015252

Smartwool's year-round Merino 150 base layer tank is up to any challenge thanks to the body temp regulating properties and breathability of Merino. Featuring Core Spun technology, we've wrapped Merino around a nylon core for added durability while still keeping the comfort of ultra-soft Merino next to skin. Smooth merrow stitching wraps from side to front for a feminine look. - Slim Fit - Classic racerback design - Side seams wrap to front for body-enhancing fit - Stretch merrow stitching for comfort and a feminine aesthetic - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 74 g = 2.6 oz - Style: SW015251

An all-season favorite, wear the Merino 150 Long Sleeve as a base layer in fall or as a single layer when summer backpacking calls. Featuring Core Spun technology, Smartwool wrapped Merino around a nylon core for added durability while still keeping the temperature regulation and moisture management benefits of ultra-soft Merino next to skin. Raglan sleeves remove shoulder seams for comfort under a pack and smooth merrow stitching wraps from side to front for a flattering look. - Slim Fit - Raglan sleeve design removes shoulder seams - Side seams wrap to front for body-enhancing fit - Stretch merrow stitching for comfort and a feminine aesthetic - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 133 g = 4.7 oz - Style: SW015255

Need a tee that does it all and still looks good? Smartwool's freshly redesigned Merino 150 Short Sleeve works undercover as a base layer on cool mornings or as a stand-alone piece during warmer temps. Featuring Core Spun technology, Smartwool wrapped Merino around a nylon core for added durability while still keeping the temperature regulation and moisture management benefits of ultra-soft Merino next to skin. Raglan sleeves remove shoulder seams for comfort under a pack and smooth merrow stitching wraps from side to front for a flattering look. - Slim Fit - Raglan sleeve design removes shoulder seams - Side seams wrap to front for body-enhancing fit - Stretch merrow stitching for comfort and a feminine aesthetic - Knit in Vietnam: 87% Merino Wool, 13% Nylon Core - Garment Weight: 102 g = 3.6 oz - Style: SW015253

Smartwool's best selling, and warmest, base layer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack. - Slim Fit - Interlock knit - 8" (20 cm) center front zip - Back body seam wraps to front for body enhancing fit - Shoulder panels eliminate top shoulder seams - Flatlock seam construction is designed to eliminate chafing - Knit in Vietnam: 100% Merino Wool - Garment Weight: 230 g = 8.1 oz - Style: SW0NP221

Made from Smartwool's warmest base layer fabric, these bottoms will keep you warm even on the coldest summits. Features a covered elastic waistband, flatlock seam construction, and a midrise waist. - Slim Fit; Natural Rise - Interlock knit - Wide fabric-covered elastic waistband for comfort and a flattering fit - Flatlock seam construction designed to eliminate chafing - Size M - Inseam: 30" (77 cm) - Knit in Vietnam: 100% Merino Wool - Garment Weight: 190 g = 6.7 oz - Style: SW0NP225

A full mesh baselayer designed to carry ride essentials under a jersey, with Pearl's patented anatomic Speed Sleeve construction to deliver a cycling-specific fit and support your load comfortably through your shoulders. - Direct-Vent mesh fabric for optimal moisture transfer and cooling - Patented anatomic Speed Sleeve design provides anatomically contoured fit in the cycling position, plus spreads the weight of pocket cargo across your shoulders - Three back pockets allow close-to-body storage without bouncing

Many experienced riders have opted for the comfort of road bibs under shell shorts for years. They prefer the feel of a bib, but road shorts are not made to be covered with a durable shell short, and the combination can be warmer than ideal. Enter Pearl Izumi's Cargo Bib Liner Short, which not only improves ventilation versus traditional road shorts, but also adds integrated storage with three rear jersey-type pockets and two lower pockets on the thigh for trail essentials, like water, tools, and spare tubes. The superior ELITE Escape 1:1 Chamois takes saddle comfort to a whole new level. With this ultimate bib liner you can ditch your hydration pack for all but your longest rides. 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 superior ELITE Escape 1:1 Chamois - Three pockets on the lower back of the bib, and two thigh pockets for carrying ride essentials - 10” inseam

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

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 cycling-specific summer-weight baselayer is designed to keep you cool and comfortable even on hot days. Transfer fabric facilitates the evaporation process by rapidly moving moisture away from your skin to outer layers, while activated charcoal in the front panel fabric further speeds dry time and cooling. In back, mesh panels maximize ventilation. Speed Sleeve anatomic construction hugs the contours of your shoulders, providing a second-skin fit when in the bent-over riding position. Wear this baselayer under a short sleeve jersey during the heat of summer, and then add it to your cool weather layering system during chillier months. - Transfer Dry fabric provides optimal moisture transfer for quick dry performance - Anatomic Speed Sleeve construction for best shoulder fit in the cycling position - Cycling specific, close to the body - Activated Charcoal integrated into the yarns used in front panels to speed dry time even more - Soft Merrow seams for next to body comfort

The perfect piece to wear against your skin as part of a layering system to keep you comfortable on both warm and cold days. Fabric rapidly moves moisture away from your skin to outer layers to keep you dry while open mesh panels in the back maximize next-to-skin ventilation. - Transfer Dry fabric provides optimal moisture transfer for quick dry performance - Patented Speed Sleeve construction for a contoured, cycling specific fit - Soft merrow seams for next-to-body comfort - Body: 100% polyester  - Stretch Panel on Shoulders: 80% polyester, 20% elastane - Garment Weight (Size M): 81g

This cycling specific summer weight baselayer is designed to keep you cool and comfortable even on hot days. P.R.O. Transfer mesh fabric facilitates the evaporative process by rapidly moving moisture away from your skin to outer layers. In back, more open mesh panels maximize ventilation. Wear this baselayer under a short sleeve jersey during the heat of summer, and then add it to your cool weather layering system in spring or fall. - P.R.O. Transfer mesh fabric provides optimal moisture transfer for quick dry performance - Cycling specific, close to body, anatomic fit - Soft merrow seams for next to body comfort - Body: 100% polyester   - Garment Weight (Size M): 65g

The best piece to have next to your skin as part of a layering system for riding in damp or wet conditions. This baselayer combines high quality Merino wool and moisture-wicking polyester in a strategic blend for exceptional performance. A women’s-specific cycling shape, to-the-elbow half sleeve, and soft merrow seams create a warm and comfortable foundation for cold weather and changing conditions. - P.R.O. Transfer Dry Merino provides optimal moisture transfer, dry time and odor absorption - Cycling specific fit with rotated sleeve construction - All–season versatility - Anatomic ‘close–to–body' fit

It’s boxer brief meets padded short. The low profile chamois is perfect for a more upright riding position, and minimal enough that it will add comfort without getting in the way. Seamless, breathable and featuring antimicrobial properties, it’s just what you want for bike-based adventure.  - Transfer mesh fabric provides optimal moisture management - Versa Chamois provides moisture transfer, quick dry time and odor absorption - Gripper free - 4.25" inseam (Size M) - Main Body: 80% polyester, 20% elastane - Side: 88% nylon, 12% LYCRA elastane - Garment Weight (Size M): 86g

A full mesh baselayer designed to carry ride essentials under a jersey, with Pearl's patented anatomic Speed Sleeve construction to deliver a cycling-specific fit and support your load comfortably through your shoulders. - Direct-Vent mesh fabric for optimal moisture transfer and cooling - Patented anatomic Speed Sleeve design provides anatomically contoured fit in the cycling position, plus spreads the weight of pocket cargo across your shoulders - Three back pockets allow close-to-body storage without bouncing

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

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

This women's-specific cycling baselayer is designed to keep you warm and comfortable on cool to cold days. Transfer fabric rapidly moves moisture away from your skin to the outer layer, while activated charcoal in the front panel fabric further speeds dry time and moisture transport. Speed Sleeve anatomic construction hugs the contours of your shoulders, providing a second-skin fit when in the bent-over riding position. Wear this baselayer under a long sleeve jersey during cooler months, and then add it to your cold weather layering system during chillier months. - Transfer Dry fabric provides optimal moisture transfer for quick dry performance - Anatomic Speed Sleeve construction for best shoulder fit in the cycling position - Cycling specific, close to body, anatomic fit - Activated Charcoal integrated into the yarns used in front panels to speed dry time even more - Soft Merrow seams for next to body comfort

This women’s specific summer weight cycling baselayer is designed to keep you cool and comfortable even on hot days. Transfer fabric facilitates the evaporative process by rapidly moving moisture away from your skin to outer layers. In back, mesh panels maximize ventilation. Patented Speed Sleeve anatomic construction hugs the contours of your shoulders, providing a second-skin fit when in the bent-over riding positing. Wear this short sleeve baselayer under a short sleeve jersey during the heat of summer, and then add it to your cool weather layering system during chillier months. - P.R.O. Transfer Dry fabric provides optimal moisture transfer for quick dry performance - Patented anatomic Speed Sleeve construction for best shoulder fit in the cycling position - Cycling specific, close to body, anatomic fit - Soft merrow seams for next to body comfort - Front Panel: 100% polyester  - Back Panel: 100% polyester - Stretch Panel on shoulders: 80% polyester, 20% elastane  - Garment Weight (Size M): 81 g

This women’s specific summer weight cycling baselayer is designed to keep you cool and comfortable even on hot days. P.R.O. Transfer fabric facilitates the evaporative process by rapidly moving moisture away from your skin to outer layers. In back, mesh panels maximize ventilation. Wear this sleeveless baselayer under a short sleeve jersey during the heat of summer, and then add it to your cool weather layering system during chillier months. - P.R.O. Transfer Dry fabric provides optimal moisture transfer for quick dry performance - Cycling specific, close to body, anatomic fit - Soft merrow seams for next to body comfort - Front Panel: 100% polyester - Back Panel: 100% polyester - Garment Weight (Size M): 64 g