Skip to search results
loaded 249 results
Merino Wool Base Layers
(249 products)Products (249)
Sort: Best Match
Helly HansenGraphic Lifa Merino Base Layer Set - Kids'
$74.73Save 32%compared to  $110.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLETTerramar3.0 Thermawool Half-Zip Base Layer Top - Women's
$56.73Save 24%compared to  $75.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men's
$99.73Save 26%compared to  $135.00Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET ArtilectDarkhorse 185 Zoned Base Layer Leggings - Women's
$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLETIcebreaker200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top - Women's
$89.73Save 25%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLETIcebreakerMerino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top - Women's
$104.73Save 25%compared to  $140.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLETHelly HansenLIFA Merino Midweight Crew Base Layer Top - Women's
$74.73Save 25%compared to  $100.00Underwear Weight:MidweightSize Type:RegularREI OUTLETKari TraaMalia Base Layer Pants - Women's
$52.73Save 24%compared to  $70.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLETKari TraaRose Light High-Waisted Base Layer Pants - Women's
$82.73Save 24%compared to  $110.00Underwear Weight:MidweightSize Type:RegularREI OUTLETHelly HansenLIFA Merino Midweight 2-In-1 Graphic Half-Zip Base Layer Top - Women's
$86.73 - $89.73Save 25% - 27%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLETKari TraaMina Base Layer Pants - Women's
$44.73Save 25%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLETSmartwoolClassic Thermal Merino Lettuce Edge Base Layer Bottoms - Women's
$82.73Save 28%compared to  $115.00Underwear Weight:MidweightSize Type:RegularREI OUTLETIcebreaker125 ZoneKnit Merino Thermal Leggings - Men's
$93.73Save 25%compared to  $125.00Underwear Weight:UltralightweightSize Type:Regular, BigREI OUTLETIcebreaker200 ZoneKnit Thermal Base Layer Leggings - Women's
$109.73Save 26%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLETKari TraaLucie Half-Zip Base Layer Top - Women's
$67.73Save 24%compared to  $90.00Underwear Weight:LightweightSize Type:RegularREI OUTLETArtilectDarkhorse 185 Zoned Crew Base Layer Top - Women's
$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLETIcebreakerMerino 260 Vertex Long-Sleeve Crewe Thermal Base Layer Top - Women's
$99.73Save 28%compared to  $140.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET- Top Rated
ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Men's
$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET - New arrival
SmartwoolIntraknit Active Base Layer Bottoms - Men's
$82.73Save 24%compared to  $110.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET Helly HansenMerino Wool Base Layer Set - Kids'
$82.73Save 31%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLETKari TraaAlma Half-Zip Base Layer Top - Women's
$59.73Save 25%compared to  $80.00Underwear Weight:UltralightweightSize Type:RegularREI OUTLETIcebreaker200 ZoneKnit Merino Thermal Base Layer Leggings - Men's
$109.73Save 26%compared to  $150.00Size Type:Regular, BigREI OUTLET- Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
$99.73Save 26%compared to  $135.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET Kari TraaAlma Hood Base Layer Top - Women's
$59.73Save 25%compared to  $80.00Underwear Weight:UltralightweightSize Type:RegularREI OUTLETSmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
$97.73Save 24%compared to  $130.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET Kari TraaLucie Base Layer Pants - Women's
$59.73Save 25%compared to  $80.00Underwear Weight:LightweightSize Type:RegularREI OUTLETKari TraaMina Long-Sleeve Base Layer Top - Women's
$44.73Save 25%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLETWild RyeJane Leggings - Women's
$64.73Save 40%compared to  $109.00Underwear Weight:LightweightSize Type:RegularREI OUTLETSmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'
$56.73Save 24%compared to  $75.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
181–210 of 249 products
Sort: Best Match