Lightweight Long Underwear

Stay warm and comfortable with our collection of lightweight long underwear, designed for optimal layering in any season. Crafted from breathable, moisture-wicking materials, these essentials provide a snug fit without adding bulk. Perfect for outdoor adventures or cozy days indoors, our lightweight long underwear offers flexibility and warmth. Choose from a variety of styles that ensure you stay active while maintaining comfort. Elevate your cold-weather wardrobe with these versatile pieces that keep you feeling great, no matter the temperature.

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7 products
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Smartwool Men's Classic All-Season Merino Base Layer Long Sleeve Top
  • Black

Smartwool Men's Classic All-Season Merino Base Layer Long Sleeve Top

$85.00

(1)

with core spun technology, smartwool has wrapped lightweight merino around a nylon core for added durability, while still keeping the comfort of ultra- soft, responsibly- sourced merino next to

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5 MAJB
Great quality, ordered for my husband for Christmas. He loved it... would order again.

Smartwool Men's Classic Thermal Merino Base Layer Bottoms
  • Black

Smartwool Men's Classic Thermal Merino Base Layer Bottoms

$115.00

(3)

the technical benefits of 100% merino wool will help you keep your game at a high level for longer. ... 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...

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5 Kwhendy
Bought these about a week ago and wear them nearly every day. I love how they keep me warm but do n't make me hot.

5 Mountain time
Fit great especially in length. Perfect weight to stay warm in cold weather.

5 tjflan2
Fit true and worked outstanding as base layer for football game. Very comfortable and breathable.

Smartwool Men's Classic All-Season Merino Base Layer 1/4 Zip Long Sleeve Top
  • Black

Smartwool Men's Classic All-Season Merino Base Layer 1/4 Zip Long Sleeve Top

$90.00

Quick Facts

side seams help minimize chafing while wearing a pack and offer a body- enhancing fit. ... this top uses their lightest- weight merino fabric wrapped around a nylon core to increase durability, while still keeping the 100% soft, merino wool you love next to

SmartWool Women's Merino 150 Base Layer Bottoms
  • Black

SmartWool Women's Merino 150 Base Layer Bottoms

$90.00

(2)

slim fit base layer bottom constructed with lightweight merino jersey fabric with a recycled nylon core for increased durability features merrow stretch stitching designed to elevate comfort, range of motion, and fit merino- lined elastic waistband for maximum comfort 31 ”

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5 ErinH
[ These worked great for skiing in single digit to mid- 20 ’s temps. They ’ re comfortable, not scratchy, warm but breathable. Will definitely buy more.

5 Wasloki
[ Bought for my wife for an upcoming trip to the Arctic. She loves them. She says they are soft and not itchy. Like they don ’ t require to much special treatment in the wash and don ’ t shrink

Halfdays Women's Ruth Lightweight  Merino Leggings

Halfdays Women's Ruth Lightweight Merino Leggings

$115.00

Quick Facts

designed for- 30° f- 60° f temperature range machine wash cold inside out with like colors do not bleach or use fabric softeners lay flat to dry do not

Halfdays Women's Clare Lightweight  Merino Top

Halfdays Women's Clare Lightweight Merino Top

$115.00

Quick Facts

thermo- regulating merino wool and soft bamboo blend ... slim fit t- shirt mock neck lightweight blend ultra- soft and breathable ... our ultra- soft and breathable base layer top, a lightweight blend of bamboo and merino wool for lodge lounging or under ski

Smartwool Men's Classic All-Season Merino Baselayer Bottoms
  • Black

Smartwool Men's Classic All-Season Merino Baselayer Bottoms

$85.00

Quick Facts

slim fit light weight merino jersey fabric uses a nylon core to increase durability while still keeping 100% merino wool next to skin fully functional fly merino- lined, 1. 5 ”( 4 cm) wide elastic waistband designed for maximum comfort flatlock seam construction designed to minimize chafing fit...

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