Women's Vapor Long Sleeve Crew

The standard in lightweight Merino baselayers

  • A green American made Duckworth merino wool lightweight long sleeve base layer.
  • A gray American made Duckworth merino wool lightweight long sleeve base layer.
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Women's Vapor Long Sleeve Crew

The standard in lightweight Merino baselayers

$85
$85   $85

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Color: Spruce

Limited Quantity Available.

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At a Glance

Description

The Women's Vapor Long Sleeve Crew is a lightweight Merino Wool layer built for 4-season performance.

This long sleeve begins with natural, American-grown Merino Wool that is then spun and knit into our proprietary Vapor Wool fabric. Vapor wool combines three fibers to create a garment that is lightweight, soft, cooling, antimicrobial (odor-free), moisture-wicking and ultra-fast-drying. The Vapor Long Sleeve Crew is the perfect no-bulk solo layer or baselayer for high exertion activities.

The newly updated design offers a flattering crew neckline along with raglan sleeves to eliminate bulky seams on the shoulders. American-made with American Wool.

NEW FOR 2026: The vapor collection now features an updated vortex-spun yarn construction designed for greater durability, reduced pilling, and longer-lasting performance. This improvement strengthens the fabric while preserving its ultralight breathability and soft feel that continues to improve with wear and washing.

Fabric

Why Duckworth Vapor Fabric?

 

Composition: 38% Montana Merino Wool, 50% American Polyester, 12% Modal (beech wood pulp)

Weight: 150 gsm

Sizing & Wool Care

Duckworth Merino Wool Women's Sizing Chart

Cold gentle machine wash with like colors. Do not bleach. Dry flat or line dry only; do not tumble dry. Can be reshaped while wet.

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Our Fabrics

VAPOR - lightest Merino Wool first layer

A Duckworth original, “The Swiss Army Knife” layer. Our proprietary American made Merino Wool base layer fabric - Vapor - is as at home on the ski hill as it is worn solo on summer’s most blistering and sunny days. Lightweight, thermoregulating, sweat wicking, odor free and quick drying. A must have Merino Wool layer for any arsenal. 

Learn More

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Overall rating: 4.827957 / 5 from 93 reviews.

AI Generated Review Summary

The Women's Vapor Long Sleeve Crew is a versatile Merino Wool shirt praised for its lightweight, soft, and cooling properties. Customers appreciate its stylish design, flattering crew neckline, and raglan sleeves that eliminate bulky seams. Available in multiple colors, it serves as a perfect base layer for unpredictable weather.

Summary topics

  • Fit (19%): Many customers expressed satisfaction with the fit of the product, mentioning that it is perfect and comfortable.
  • Base Layer (10%): Customers expressed appreciation for the great base layer that is soft, comfortable, and perfect for winter.
  • Colors (15%): Customers keep praising the beautiful and awesome colors of the product, which is the most common opinion.
  • Neckline (9%): Customers keep praising the neckline of this shirt, describing it as super and awesome.

Review topics: [].

Review highlights

  • "I love the cuffed thick bottom of the sleeves and the neckline is not too tight." — Donna B.
  • "The color is super pretty (which is important, of course), and it fits well." — Laura M.
  • "The cabin red is a beautiful color!" — Wendy R.

Reviews

Love it!

"Really nice weight and not at all scratchy. It’s a little long for me, I’m 5’2. I’ll be wearing this top all four seasons."

— Karen S. (5/5)

Excellent Layer

"I really appreciate the fit and quality of this shirt. The color is perfect. Extremely versatile."

— Janice s. (4/5)

"Lovelovelove my Duckworth!!! It’s been cool & rainy, fall is creeping in & it’s perfect!!! Early morning! Late night!!! Just perfect! Sooo soft & comfortable! Keep keeping it USA made! 🇺🇸🇺🇸🇺🇸"

— WENDY (5/5)

Layering shirt

"Fits perfectly 5’11” 185 # A tiny bit itchy. Not as smooth as I thought but overall good."

— shaye t. (5/5)

"to small around the waist and too itchy."

— Rachael (2/5)

Perfect all season

"Perfect ! I have a few of these they are great in the buggy hot outdoors summer in the woods and great to wear as underlays in the snowy winter."

— Rachael D. (5/5)

Long sleeved dream

"Perfect in every way."

— Gera H. (5/5)

"She loved it"

— Charlie (5/5)

Sizes are growing smaller

"I have a lot of Duckworth clothing, bought over the course of several years, and overall I would rate it as great quality. I like the total USA grown and crafted and am loyal to the brand for that main reason. However, I have experienced a shift in sizing. I'm a solid women's medium, and my older Duckworth tops were cut generously and wear comfortably. My latest purchase is a Vapor LS T shirt and it is snug to the point of (sadly) passing it over in favor of wearing something that isn't so tight in the arms. As my purpose for it was a base layer I'm not opposed to form fitting, but this one doesn't cut it for me."

— Kristi S. (4/5)

Love

"I love it. The fabric is soft, and not too thin. I will mostly use it layering over top of tshirts. I’m taking one star off, because the shoulders and upper arms are a little tighter than I’d prefer, but it’s not terrible. I have broader shoulders than most women so this is a typical problem for me."

— Rochelle W. (4/5)

Q&A

What is the sleeve length?
Thanks for your question, Lyn! The Length measurement (from HPS to end of cuff) for the Women's Vapor Long Sleeve Crew in XS is 26 1/4 inches.
What is the measurement of the back of the shirt from neckline to the bottom hem?
Hey there! The back length we measure is from the highest point of the neckline (HPS) to the bottom of the garment. This measures in for the respected sizing in inches: XS(23 1/4), S(24), M(24 3/4), L(25 1/2), XL(26 1/4). Thanks for your question!