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10 Best Smartwool Base Layers 2025 in the United States

From leading brands and best sellers available on the web.

Sponsored

TCA Super

TCA

12%OFF

TCA Super Thermal Long Sleeve Women Base Layer, Women Cold Weather Thermal Ski/Running Base Layer Shirt Womens - Cloud White, Large

#1

Winner

Merino.tec

Merino.tech

Merino.tech Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom (Large, 250 Black)

Sponsored

TCA Super

TCA

12%OFF

TCA Super Thermal Long Sleeve Women Base Layer, Women Cold Weather Thermal Ski/Running Base Layer Shirt Womens - Cloud White, Large

#2
Merino.tec

Merino.tech

Merino.tech Merino Wool Base Layer Women Set - Midweight Merino Wool Thermal Underwear For Women Top and Bottom (Large, 250 Charcoal Grey)

#3
Merino.tec

Merino.tech

Merino.tech Merino Wool Base Layer Women 100% Merino Wool Lightweight Long Sleeve Thermal Shirts + Wool Socks (Medium, 165 Charcoal)

#4
Merino.tec

Merino.tech

Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Lite, Midweight, Heavyweight + Socks (Large, Black 250)

#5
MERIWOOL M

MERIWOOL

MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Black

#6
MERIWOOL M

MERIWOOL

MERIWOOL Mens Base Layer - 100% Merino Wool Midweight Long Sleeve Thermal Shirt Army Green

#7
Merino Woo

Merino.tech

Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Midweight Thermal Underwear Long Johns + Wool Socks (Medium, Black 250)

#8
MERIWOOL W

MERIWOOL

MERIWOOL Womens Base Layer 100% Merino Wool Midweight Long Sleeve Thermal Shirt Charcoal Gray

#9
Merino Woo

Merino.tech

Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts + Merino Socks (Medium, 320 Black)

#10
Smartwool

Smartwool

Smartwool Women’s Base Layer Top - Merino 250 Wool Active 1/4 Zip Outerwear Twilight Blue Heather M

More products we considered

FALKE Women's Warm 3/4 Tights Base Layer Bottom, Thermal Underwear, Mild to Cold Weather, Breathable Quick Dry, Nylon, 1 Pair

FALKE Women's Warm 3/4 Tights Base Layer Bottom, Thermal Underwear, Mild to Cold Weather, Breathable Quick Dry, Nylon, 1 Pair

View Deal

Women Standard Max Warm Tight Fit Long Sleeve, White (White 2860), L

Women Standard Max Warm Tight Fit Long Sleeve, White (White 2860), L

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FALKE Women's Wool Tech. 3/4 Tights Base Layer Bottom, Thermal Breathable Quick Dry, Black (Black 3000), M, 1 Pair

FALKE Women's Wool Tech. 3/4 Tights Base Layer Bottom, Thermal Breathable Quick Dry, Black (Black 3000), M, 1 Pair

View Deal

FALKE Women's Maximum Warm Tight Fit Zip Base Layer Top, Thermal Underwear, Cold Temps, Breathable Quick Dry, Nylon, Black (Black 3000), S, 1 Piece

FALKE Women's Maximum Warm Tight Fit Zip Base Layer Top, Thermal Underwear, Cold Temps, Breathable Quick Dry, Nylon, Black (Black 3000), S, 1 Piece

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Falke Women's Standard Top, Grey (Grey-Heather 3757), S

Falke Women's Standard Top, Grey (Grey-Heather 3757), S

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