Skip to search results
loaded 122 results
Merino Wool Men's Underwear
(122 products)Products (122)
Sort: Best Match
SmartwoolIntraknit Active Base Layer Crew Shirt - Men's
$81.73Save 25%compared to  $110.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETArtilectFlatiron 185 Crew Base Layer Top - Men's
$96.73 - $109.73Save 30% - 31%compared to  $140.00 - $160.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETIcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men's
$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETArtilectDarkhorse 185 Zoned Quarter-Zip Base Layer Top - Men's
$116.73Save 31%compared to  $170.00Underwear Weight:MidweightSize Type:RegularREI OUTLETArtilectFlatiron 185 Base Layer Leggings - Men's
$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETArtilectGoldhill 125 Zoned Crew Base Layer Top - Men's
$89.73Save 30%compared to  $130.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLETIcebreaker125 ZoneKnit Merino Long-Sleeve Crewe Thermal Top - Men's
$86.73 - $93.73Save 25% - 30%compared to  $125.00Underwear Weight:UltralightweightSize Type:Regular, BigREI OUTLETIcebreakerMerino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top - Men's
$104.73Save 25%compared to  $140.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLETArtilectDarkhorse 185 Zoned Base Layer Leggings - Men's
$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETIcebreakerMerino 200 Oasis Long-Sleeve Crewe Remarkables Base Layer Top - Men's
$85.73Save 25%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETIcebreakerMerino 175 Everyday Long-Sleeve Crewe Thermal Top - Men's
$63.73Save 25%compared to  $85.00Underwear Weight:LightweightSize Type:RegularREI OUTLET- Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$73.73Save 29%compared to  $105.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET Terramar3.0 Thermawool Heavyweight Thermal Pants - Men's
$49.73Save 28%compared to  $70.00Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLETHelly HansenLIFA Merino Midweight Crew Base Layer Top - Men's
$74.73Save 25%compared to  $100.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETIcebreaker200 ZoneKnit Merino Thermal Base Layer Leggings - Men's
$111.73Save 25%compared to  $150.00Size Type:Regular, BigREI OUTLETTerramar3.0 Thermawool Heavyweight Thermal Crew Shirt - Men's
$49.73Save 28%compared to  $70.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETHelly HansenLIFA Merino Midweight Half-Zip Base Layer Top - Men's
$79.73 - $82.73Save 24% - 27%compared to  $110.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETOrtovox185 Rock'n'wool Long-Sleeve Base Layer Top - Men's
$76.73Save 30%compared to  $110.00Underwear Weight:LightweightSize Type:RegularREI OUTLETSmartwoolThermal Merino Jogger Base Layer Bottoms
$93.73Save 25%compared to  $125.00Underwear Weight:MidweightSize Type:RegularREI OUTLETHelly HansenLIFA Merino Midweight 2-In-1 Base Layer Pants - Men's
$74.73Save 25%compared to  $100.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETIcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Base Layer Top - Men's
$93.73Save 25%compared to  $125.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETIcebreakerMerino 260 Vertex Natural Shades Base Layer Leggings - Men's
$104.73Save 25%compared to  $140.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETHelly HansenLIFA Merino Midweight 2-In-1 Base Layer Hoodie - Men's
$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETOrtovox185 Rock'n'wool Long Base Layer Pants - Men's
$110.00Underwear Weight:MidweightSize Type:Regular, BigSmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$79.73Save 30%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETIcebreaker200 Oasis First Snow Base Layer Leggings - Men's
$89.73Save 25%compared to  $120.00Size Type:Regular, BigREI OUTLET- Top Rated
Arc'teryxIonia Merino Wool Base Layer Hoodie - Men's
$140.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
Icebreaker200 Oasis Long-Sleeve Crewe Last Run Base Layer Top - Men's
$85.73Save 25%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET Helly HansenHH LIFA Merino Boxers Windblock - Men's
$36.73Save 26%compared to  $50.00Size Type:BigREI OUTLETArc'teryxRho Hybrid Base Layer Bottoms - Men's
$79.73Save 20%compared to  $100.00Underwear Weight:MidweightSize Type:BigREI OUTLET
91–120 of 122 products
Sort: Best Match