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Image of Smartwool Merino 250 Baselayer Crew - Men's Deep Navy Donegal, S
 

Smartwool Merino 250 Baselayer Crew - Men's Deep Navy Donegal, S

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Deep Navy Donegal, XL
 

Smartwool Merino 250 Baselayer Crew - Men's Deep Navy Donegal, XL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Deep Navy Donegal, XXL
 

Smartwool Merino 250 Baselayer Crew - Men's Deep Navy Donegal, XXL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, L
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, L

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, M
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, M

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, S
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, S

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, XL
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, XL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, XXL
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Blue Heather, XXL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, L
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, L

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, M
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, M

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, S
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, S

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, XL
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, XL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, XXL
 

Smartwool Merino 250 Baselayer Crew - Men's Mineral Color Shift, XXL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, L
 

Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, L

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, M
 

Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, M

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, S
 

Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, S

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, XL
 

Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, XL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, XXL
 

Smartwool Merino 250 Baselayer Crew - Men's Mink Color Shift, XXL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mink Heather, M
 

Smartwool Merino 250 Baselayer Crew - Men's Mink Heather, M

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Mink Heather, XL
 

Smartwool Merino 250 Baselayer Crew - Men's Mink Heather, XL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, L
 

Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, L

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, M
 

Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, M

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, S
 

Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, S

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, XL
 

Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, XL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...


 
Image of Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, XXL
 

Smartwool Merino 250 Baselayer Crew - Men's Nightfall Blue Heather, XXL

"What Our Gearhead® Experts Are Saying: ""Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero...





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