Smartwool Women's Classic Thermal Merino Base Layer One Piece
Smartwool Women's Classic Thermal Merino Base Layer One Piece
Smartwool Women's Classic Thermal Merino Base Layer One Piece
Smartwool Women's Classic Thermal Merino Base Layer One Piece
Smartwool Women's Classic Thermal Merino Base Layer One Piece
Smartwool Women's Classic Thermal Merino Base Layer One Piece
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Women's Classic Thermal Merino Base Layer One Piece

Regular price$250.00
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Women's Classic Thermal Merino Base Layer One Piece

Meet the Women's Classic Thermal Merino Base Layer One Piece, which provides a full-body layer of warmth. This 100% Merino wool one piece combines the moisture management, temperature regulation, and odor resistance of Merino with the comfort of an interlock knit. Featuring a fully functional fly, a zippered drop seat, set-in sleeves, and a flatlock seam to help prevent chafing, this base layer is designed for easy wear and maximum comfort.

Slim Contour Fit
Body-hugging silhouette follows the contours of the body for easy layering under shells and insulation without bulk
100% Merino Interlock Knit
Natural moisture management, temperature regulation, and odor resistance for full-body warmth on cold-weather outings
Set-In Sleeves
Tailored shoulder construction for a more natural, distraction-free fit through the arms and shoulders
Flatlock Seam Construction
Minimizes chafing during long days of high-output activity on the mountain
Side Seams Wrapped to Front
Eliminates side-seam pressure points under backpack straps, harness, or pack load
Zippered Drop Seat
Quick, no-fuss bathroom breaks without having to strip down on a cold day

General

Product Type
Base Layer One Piece
Fit
Slim
Gender
Women's
Temp Rating
Classic Thermal (Cool to Cold, down to ~25°F)

Materials

Body Fabric
100% Merino Wool (interlock knit)

Measurements

Available Sizes
XS, S, M, L, XL
Fabric Weight
250 g/m² (Midweight)
Origin
Made in Vietnam

Machine wash warm on a gentle cycle. Wash with like colors. Do not bleach. Tumble dry low. Cool iron as needed. Do not iron decoration. Do not dry clean.

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 4-7 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 3-10 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.


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