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(398)398

250 Merino Wool Baselayer Leggings

Smartwool

Current Price $125.00
Color
Color: Black
Fit:True to size.
Size
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Details & care

Stay comfortable during cold-weather adventures with these insulating leggings made from breathable but warm merino wool. Flatlock seams and an interior elastic waistband ensure a chafe-free fit, while gusseted construction supports a full range of motion.

  • 30" inseam; 8" leg opening; 11 1/2" front rise; 14" back rise (size Medium)
  • Elastic waist
  • Functional fly
  • Smooth flatlock seaming designed to eliminate rubbing and irritation
  • Merino wool naturally resists odors and helps regulate your temperature for comfort
  • 100% merino wool
  • Machine wash, tumble dry
  • Imported
  • Item #10103200
  • Core Product ID 3333336EEJ

Size info

  • True to size.
  • Waist sizing; S=29-31", M=32-34", L=35-37", XL=38-40", XXL=41-44".
  • Get the fit you want. Book an appointment with our onsite experts or stop by your nearest store.

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Smartwool

Smartwool was launched in 1994 in Steamboat Springs, Colorado, and initially specialized in performance socks made of Merino wool. Today the company continues to push the boundaries of Merino to create smarter, more capable outdoor apparel from head to toe. Built on the desire to be comfortable outside, Smartwool exists to help people play, live and laugh in the great outdoors.

Reviews

(398)3984.8 out of 5
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Most helpful positive review

Oct 24, 2026

Great winter base layer

I have bought several pr of these for my son who works outside in the winter. He says: they are not thin or thick...in the middle; they keep him warm under his work pants..he said he does not get cold, and the wind doesnt penetrate; they keep sweat away from your body & they are very comfortable..soft. He gives them an A+
Marleen B.
Reposted from Smartwool

Most helpful critical review

Jan 21, 2025

Waist band was a show stopper

Unfortunately I decided to return this item for the very reason the waistband was uncomfortable. I had owned an old version of these by Smartwool that I was replacing. The older model (many years old) had the waistband that was much less constricting and was covered by material. It was very comfortable and you hardly knew you had them on. This new version is also 100% merino but the waistband is not covered and is pure elastic. I found it quite uncomfortable and I always knew I had them on.
Scott
Reposted from Smartwool
Smartwool response
We appreciate your note! Each season, we work to improve product offering, comfort, fit and durability on all products. I have shared your feedback with our product team.

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5 stars88%
4 stars7%
3 stars2%
2 stars2%
1 star1%
Oct 24, 2026

Great winter base layer

I have bought several pr of these for my son who works outside in the winter. He says: they are not thin or thick...in the middle; they keep him warm under his work pants..he said he does not get cold, and the wind doesnt penetrate; they keep sweat away from your body & they are very comfortable..soft. He gives them an A+
Reposted from Smartwool
Marleen B.
Oct 15, 2026

Winter is around the corner,

Winter is around the corner, time to place another order for a couple of Smartwool base layers. With Smartwool base layers I can still enjoy outdoor activities though winter.
Reposted from Smartwool
Joseph M.
Oct 13, 2026

Warm

[This review was collected as part of a promotion.] Added a lot of warmth and fit nicely under my watershell pants.
Reposted from Smartwool
Alex
Sept 7, 2026

Wonderful

These are super cozy and durable. They help take the edge off in the cold.
Reposted from Smartwool
Luke
July 16, 2026

Norway Bound

[This review was collected as part of a promotion.] Used these for a trip to Norway and general use when running Ski Meets. Keep you warm and comfortable.
Reposted from Smartwool
Chris
July 7, 2026

Gym Work Out

I’ve tried every brand, but was pleasantly surprised to find that Smartwool’s merino wool baselayer bottoms are so warm, comfortable and perfect for gym workouts.
Reposted from Smartwool
Pearce L.

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