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Moisture Wicking Base Layers
(370 products)Products (370)
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SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
$48.73Save 25%compared to  $65.00Underwear Weight:MidweightSize Type:RegularREI OUTLET - Top Rated
IcebreakerMerino 260 Tech Thermal Base Layer Leggings - Women's
$93.73Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET - Top Rated
Sweaty BettyHigh-Neck Jacquard Base Layer Top - Women's
$82.73Save 29%compared to  $118.00Underwear Weight:MidweightSize Type:RegularREI OUTLET - Top Rated
Icebreaker260 ZoneKnit Base Layer Leggings - Men's
$119.73Save 27%compared to  $165.00Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET IcebreakerMerino 200 Oasis Long-Sleeve Crewe Macro Forms Base Layer Top - Women's
$85.73Save 25%compared to  $115.00Underwear Weight:MidweightSize Type:RegularREI 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 260 Vertex Long-Sleeve Half-Zip Herenga Base Layer Top - Women's
$99.73Save 33%compared to  $150.00Size Type:RegularREI OUTLETSmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
$86.73Save 24%compared to  $115.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
IcebreakerMerino 260 Tech Thermal Base Layer Leggings With Fly - Men's
$93.73Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET - Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$78.73Save 25%compared to  $105.00Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET Kari TraaSmekker Base Layer Pants - Women's
$89.73Save 25%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLET- Top Rated
Helly HansenLifa Merino Midweight Graphic Base Layer Top - Women's
$79.73 - $82.73Save 24% - 27%compared to  $110.00Underwear Weight:MidweightSize Type:RegularREI OUTLET Free CountryForce Grid Fleece Base Layer Bottoms - Women's
$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET- Top Rated
IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Base Layer Top - Women's
$93.73Save 25%compared to  $125.00Underwear Weight:MidweightSize Type:RegularREI OUTLET - New arrival
Kari TraaAlma Base Layer Pants - Women's
$52.73Save 24%compared to  $70.00Underwear Weight:UltralightweightSize Type:RegularREI OUTLET Free CountryMicrotech Heat Cocaber Base Layer Bottoms - Women's
$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:RegularREI OUTLETtasc PerformanceElevation Merino Base Layer Bottoms - Men's
$54.73Save 30%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLETIcebreaker200 Oasis Sonebula Base Layer Leggings - Women's
$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLETSpraywayEffra Jacket Base Layer Top - Women's
$46.73Save 28%compared to  $64.95Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLETArtilectFlatiron 185 Quarter-Zip Base Layer Top - Women's
$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- New arrival
Icebreaker200 ZoneKnit Thermal Base Layer Leggings - Women's
$109.73Save 26%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLET - Top Rated
Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Men's
$109.73Save 26%compared to  $150.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET ArtilectBoulder 125 Crew Long-Sleeve Base Layer Top - Women's
$82.73Save 31%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLET- Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
$78.73Save 25%compared to  $105.00Size Type:Regular, PlusREI OUTLET Mons RoyaleCascade Merino Flex Mock-Neck Base Layer Top - Women's
$89.73Save 35%compared to  $140.00Underwear Weight:MidweightSize Type:RegularREI 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 - New arrival
Kari TraaLekker Half-Zip Base Layer Top - Women's
$44.73Save 25%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLET Wild RyeJane Leggings - Women's
$64.73Save 40%compared to  $109.00Underwear Weight:LightweightSize Type:RegularREI OUTLETHelly HansenGraphic Lifa Merino Base Layer Set - Kids'
$74.73Save 32%compared to  $110.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET- Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
$86.73Save 24%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
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