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Undergarments & Base Layers

Specialized Seamless Merino Short Sleeve Base Layer
$80.00
We have achieved the holy grail of construction and materials in our Seamless Merino Base Layer. Starting with natural moisture wicking and odor resistant merino yarns, we blend in synthetics to aid in moisture movement, compression, and durability. By utilizing special cylindrical knitting machines, we construct a virtually stitch- and seam-free garment that reduces the possibility of irritation. Designed for next to skin under jerseys and jackets, the merino yarns adds insulation and warmth for cold weather compared to our standard Seamless Base Layer. Compressive, articulated, form fit. - Merino and synthetic yarns are blended to soft, insulating, and to move moisture away form the skin, while also retaining a compressive feel. - Targeted stretch and support are built-in, so the base layer will hold and move with the body throughout the movements of cycling. - Seamless construction ensures the closest possible fit for maximum moisture management, while the elimination of seams also guarantees that chafing will be a non-issue. - Form Fit closely and precisely conforms to the curves of the body, ensuring an unrivaled level of fit.
Smartwool Men's Merino 250 Base Layer Crew
$95.00
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 Men's Merino 250 Base Layer Crew
$95.00
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 Women's Merino 250 Base Layer Bottom
$95.00
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
Smartwool Women's Merino 250 Base Layer Crew
$95.00
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 - 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: 200 g = 7.05 oz - Style: SW0NP224
Specialized Seamless Short Sleeve Base Layer
$50.00
For technical clothing designed to be next to skin, seamless construction reduces edges and stitches on your body that could be sources of irritation and inconsistent stretch. Using special cylindrical knitting machines, we engineer areas of stretch, compression, open mesh or closed areas for the ideal composition. Our seamless base layer is designed to be worn year-round, under jerseys or outerwear, to accelerate moisture away from the body, keeping you cool in the summer and dry in the winter. Compressive, articulated, form fit. - Synthetic yarns are blended to have a soft feel and to move moisture away from the skin, while also retaining a compressive feel. - Targeted stretch and support are built-in, so the base layer will hold and move with the body throughout the movements of cycling. - Seamless construction ensures the closest possible fit for maximum moisture management, while the elimination of seams also guarantees that chafing will be a non-issue. - Form Fit closely and precisely conforms to the curves of the body, ensuring an unrivaled level of fit.
Specialized Seamless Sleeveless Base Layer
$45.00
For technical clothing designed to be next to skin, seamless construction reduces edges and stitches on your body that could be sources of irritation and inconsistent stretch. Using special cylindrical knitting machines, we engineer areas of stretch, compression, open mesh or closed areas for the ideal composition. Our seamless base layer is designed to be worn year-round, under jerseys or outerwear, to accelerate moisture away from the body, keeping you cool in the summer and dry in the winter. Compressive, articulated, form fit. - Synthetic yarns are blended to have a soft feel and to move moisture away from the skin, while also retaining a compressive feel. - Targeted stretch and support are built-in, so the base layer will hold and move with the body throughout the movements of cycling. - Seamless construction ensures the closest possible fit for maximum moisture management, while the elimination of seams also guarantees that chafing will be a non-issue. - Form Fit closely and precisely conforms to the curves of the body, ensuring an unrivaled level of fit.
Smartwool Women's Merino 150 Base Layer Tank
$65.00
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
Smartwool Merino 150 Base Layer Bottom
$80.00
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 Women's Merino 150 Base Layer Bottom
$80.00
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 Men's Merino 250 Base Layer 1/4 Zip
$100.00
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
Pearl Izumi Men's Transfer Short Sleeve Base Layer
$50.00
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
Pearl Izumi Transfer Wool Long Sleeve Base Layer
$90.00
Pearl's Transfer Wool Long Sleeve Base Layer is 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. Its cycling specific shape, thumb loops if you need to seal in the warmth, and soft merrow seams create a 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
Pearl Izumi Transfer Wool Short Sleeve Base Layer - Women's
$80.00
Pearl's Transfer Wool Short Sleeve Base Layer is 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. Its cycling specific shape, thumb loops if you need to seal in the warmth, and soft merrow seams create a 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
Specialized Women's Seamless Merino Short Sleeve Base Layer
$80.00
We have achieved the holy grail of construction and materials in our Seamless Merino Base Layer. Starting with natural moisture wicking and odor resistant merino yarns, we blend in synthetics to aid in moisture movement, compression, and durability. By utilizing special cylindrical knitting machines, we construct a virtually stitch- and seam-free garment that reduces the possibility of irritation. Designed for next to skin under jerseys and jackets, the merino yarns adds insulation and warmth for cold weather compared to our standard Seamless Base Layer. Compressive, articulated, form fit. - Merino and synthetic yarns are blended to soft, insulating, and to move moisture away form the skin, while also retaining a compressive feel. - Targeted stretch and support are built-in, so the base layer will hold and move with the body throughout the movements of cycling. - Seamless construction ensures the closest possible fit for maximum moisture management, while the elimination of seams also guarantees that chafing will be a non-issue. - Women's-specific Form Fit closely and precisely conforms to the curves of the body, ensuring an unrivaled level of fit.
Smartwool Men's Merino 150 Short Sleeve Base Layer Top
$75.00
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
Smartwool Men's Merino 150 Long Sleeve Base Layer Top
$80.00
Spring skiing or summer camping? The year-round Merino 150 base layer long sleeve is game for either thanks to the body temp regulating and no-stink properties 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: 170 g = 6 oz - Style: SW016042
Smartwool Women's Merino 150 Long Sleeve Base Layer Top
$80.00
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
Pearl Izumi Men's Transfer Sleeveless Base Layer
$45.00
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
Pearl Izumi Women's Transfer Sleeveless Base Layer
$45.00
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
Craft Active Crew Neck LS Base Layer
$54.99 $60.00 8% Savings
The Active Crew Neck Base Layer by Craft keeps your body dry and comfortable during rides in cool to cold conditions. Its Pro Zero fabric provides a seamless, high stretch, nonrestrictive fit. Plus, the extended back is perfect for protecting your backside when you're pedaling. • Circular knitting process allows for a seamless torso and a high stretch, nonrestrictive fit • Internal air channels allow body heat to escape • Textured filament yarns
Craft Active Crew Neck LS Base Layer - Women's
$60.00
The Active Crew Neck Base Layer by Craft features Pro Zero fabric for a seamless, high stretch, nonrestrictive fit that keeps you dry, warm, and comfortable on chilly rides. Plus, the extended drop-tail protects your backside as you pedal. • Soft and ventilating crew neck • Side panels for a more feminine look • Keeps your body dry and comfortable • Flatlock seams • Perfect fit • Excellent moisture transport
Specialized Women's Seamless Short Sleeve Base Layer
$50.00
For technical clothing designed to be next to skin, seamless construction reduces edges and stitches on your body that could be sources of irritation and inconsistent stretch. Using a special cylindrical knitting machine we engineer areas of stretch, compression, open mesh or closed areas for the ideal composition. Our seamless base layer is designed to be worn year-round, under jerseys or outerwear, to accelerate moisture away from the body, keeping you cool in the summer and dry in the winter. Compressive, articulated, form fit. - Synthetic yarns are blended to have a soft feel and to move moisture away from the skin, while also retaining a compressive feel. - Targeted stretch and support are built-in, so the base layer will hold and move with the body throughout the movements of cycling. - Seamless construction ensures the closest possible fit for maximum moisture management, while the elimination of seams also guarantees that chafing will be a non-issue. - Women's-specific Form Fit closely and precisely conforms to the curves of the body, ensuring an unrivaled level of fit.
Pearl Izumi Women's Transfer Short Sleeve Base Layer
$50.00
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
Smartwool Women's Merino 150 Base Layer Pattern Tank
$65.00
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 Women's Merino 250 Base Layer 1/4 Zip
$100.00
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
Pearl Izumi Transfer Wool Short Sleeve Base Layer
$80.00
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
Smartwool Women's Merino 150 Short Sleeve Base Layer Top
$75.00
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
Louis Garneau Women's 1001 Singlet
$39.99
The women's Singlet 1001 is the piece you won't want to do without, an ideal tool for managing your body temperature. This lightweight base layer acts as a transitory layer between the skin and the cycling jersey. It evacuates moisture even on the warmest days, so you can wear it at all times as a first layer to stay dry, no matter your sport or activity. - Drytex 1001: Enhances airflow and wicks moisture - Flatlock seams - Reflective accent - Racer Fit Extra Lightweight
Specialized Engineered Sleeveless Tech Layer
$60.00
To sleeve or not to sleeve—that is the question. Sure, it all boils down to a matter of preference, but the objective remains the same for any cycling base layer: increase comfort and maintain a consistent body temperature. And while others might try, nothing delivers like Specialized's Engineered Sleeveless Tech Layer. The science behind it is pretty simple. The base layer is comprised of VaporRize knit fabrics that pull moisture away from the skin and distributes it across a large surface area where it can be rapidly evaporated. So when you think about it, no moisture buildup means that you won't experience any clammy chills as a result of dramatic temperature swings, and your skin, jersey, and jacket are going to remain dry in order to leave you comfortable. And furthering this, the Engineered Tech Layer features a seamless construction that increases comfort by eliminating seam-induced chafing throughout the base layer. This occurs by eliminating points where the materials could possibly bunch, while the design also creates the added benefit of a next-to-skin level of fit that benefits both comfort and moisture wicking. Specialized also furthered this concept by incorporating targeted ventilation zones throughout the base layer, as well as a cycling-specific cut and targeted stretch that creates the proper "push-pull" for the movements of cycling. It's comfort taken to another level. - VaporRize knit 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 in order to eliminate bulk under the jersey. - Targeted stretch and support are built-in, so the base layer will hold and move with the body throughout the movements of cycling. - Seamless construction ensures the closest possible fit for maximum moisture management, while the elimination of seams also guarantees that chafing will be a non-issue. - Form Fit closely & precisely conforms to the curves of the body, ensuring an unrivaled level of fit and comfort.
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