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10 Best Merino Wool Base Layers 2025 in the United States

From leading brands and best sellers available on the web.

Sponsored

Thermajohn

Thermajohn

38%OFF

Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather (Small, Charcoal)

#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

Thermajohn

Thermajohn

38%OFF

Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather (Small, Charcoal)

#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 Black)

#3
MERIWOOL M

MERIWOOL

MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Black

#4
Merino.tec

Merino.tech

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

#5
Merino Woo

Merino.tech

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

#6
Merino Woo

Merino.tech

Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Thermal Underwear Bottoms Midweight + Wool Socks (Medium, Black)

#7
Merino Woo

Merino.tech

Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Thermal Underwear Bottoms Midweight + Wool Socks (X-Large, Charcoal Grey 250)

#8
Merino Woo

Merino.tech

Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Thermal Underwear Bottoms Midweight + Wool Socks (Small, Charcoal Grey 250)

#9
Merino.tec

Merino.tech

Merino.tech Merino Wool Base Layer Women 100% Merino Wool Midweight Long Sleeve Thermal Shirts + Wool Socks (Medium, Black 250)

#10
Merino.tec

Merino.tech

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

More products we considered

FALKE Men's Wool Tech. 3/4 Tights Base Layer Bottom, Thermal Breathable Quick Dry, Black (Black 3000), XL, 1 Piece

FALKE Men's Wool Tech. 3/4 Tights Base Layer Bottom, Thermal Breathable Quick Dry, Black (Black 3000), XL, 1 Piece

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Ekouaer 2 Pack Mens Long Sleeve Shirts Crew Neck Sweatshirts Fleece Base Layer Thermal Undershirts Slim Fit Pullover Tee Tops Black/Khaki L

Ekouaer 2 Pack Mens Long Sleeve Shirts Crew Neck Sweatshirts Fleece Base Layer Thermal Undershirts Slim Fit Pullover Tee Tops Black/Khaki L

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Falke Mens Wool Tech Zip Shirt Black XL One Size

Falke Mens Wool Tech Zip Shirt Black XL One Size

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TCA Mens' and Boys' SuperThermal Compression Base Layer Football Running Top Long Sleeve Thermal Under Shirt - Mock Neck - Ice Blue, X-Large

TCA Mens' and Boys' SuperThermal Compression Base Layer Football Running Top Long Sleeve Thermal Under Shirt - Mock Neck - Ice Blue, X-Large

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Falke Men's Standard Wool Tech Long Sleeve, Grey (Grey-Heather 3757)

Falke Men's Standard Wool Tech Long Sleeve, Grey (Grey-Heather 3757)

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