Skip to search results
loaded 182 results
Base Layer Tops: Deals
(182 products)Products (182)
Sort: Best Match
Terramar2.0 Cloud Nine Midweight Performance Base Layer Scoop Shirt - Women's
$33.73Save 25%compared to  $45.00Underwear Weight:MidweightSize Type:RegularREI OUTLETTerramar2.0 Cloud Nine Midweight Performance Thermal Turtleneck - Women's
$35.73Save 25%compared to  $48.00Underwear Weight:MidweightSize Type:RegularREI OUTLETKari TraaVoss Cashmere Mix Half-Zip Base Layer Top - Women's
$134.73Save 25%compared to  $180.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
CotopaxiLiso Base Layer Top - Men's
$48.73Save 25%compared to  $65.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET ArtilectGoldhill 125 Zoned Crew Base Layer Top - Men's
$89.73Save 30%compared to  $130.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLETTerramar4.0 Genesis Crew Base Layer Top - Women's
$24.73Save 29%compared to  $35.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET- Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$86.73Save 24%compared to  $115.00Underwear Weight:MidweightSize Type:Big, RegularREI OUTLET - Top Rated
Free CountryForce Grid Fleece Crew Base Layer Top - Men's
$31.73Save 29%compared to  $45.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET Kari TraaLune Long-Sleeve Base Layer Top - Women's
$48.73Save 25%compared to  $65.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLETHelly HansenLifa Active Graphic Crew Base Layer Top - Women's
$48.73Save 25%compared to  $65.00Underwear Weight:LightweightSize Type:RegularREI OUTLETFree CountryForce Grid Fleece Base Layer Top - Men's
$29.73Save 33%compared to  $45.00Underwear Weight:LightweightSize Type:BigREI OUTLETFree CountryMicrotech Heat Cocaber Base Layer Top - Men's
$26.73Save 33%compared to  $40.00Underwear Weight:LightweightSize Type:BigREI OUTLETFree CountryMicrotech Heat Base Layer Top - Men's
$28.73Save 36%compared to  $45.00Underwear Weight:LightweightSize Type:BigREI OUTLETTerramar3.0 Altitude Heavyweight Crew Base Layer Top - Women's
$16.73Save 33%compared to  $25.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLETHelly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Men's
$104.73Save 30%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLETHelly HansenHH Graphic LIFA Merino Base Layer Set - Kids'
$54.73Save 31%compared to  $80.00Underwear Weight:MidweightSize Type:RegularREI OUTLETHelly HansenLIFA Merino Base Layer Set - Kids'
$49.73Save 33%compared to  $75.00Underwear Weight:MidweightSize Type:RegularREI OUTLETHelly HansenHH Merino Half-Zip Base Layer Top - Women's
$89.73Save 28%compared to  $125.00Underwear Weight:LightweightSize Type:RegularREI OUTLETSmartwoolIntraknit Active Base Layer Crew Top - Women's
$76.73Save 30%compared to  $110.00Underwear Weight:MidweightSize Type:RegularREI OUTLETHelly HansenLIFA ACTIVE Stripe Crew Base Layer Top - Women's
$44.73Save 25%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLETIcebreaker300 MerinoFine Long-Sleeve Roll-Neck Base Layer Top - Women's
$164.73Save 25%compared to  $220.00Underwear Weight:MidweightSize Type:RegularREI OUTLETIcebreakerMerino 260 Vertex Long-Sleeve Crewe Glacial Flow Base Layer Top - Women's
$104.73Save 25%compared to  $140.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET- Top Rated
Kari TraaRose Half-Zip Base Layer Top - Women's
$89.73Save 25%compared to  $120.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET Kari TraaJuliane Wool Long-Sleeve Base Layer Top - Women's
$90.73Save 30%compared to  $130.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLETKari TraaFryd Long-Sleeve Base Layer Top - Women's
$44.73Save 25%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLETIcebreakerMerino 250 Vertex Long-Sleeve Half-Zip Thermal Top Sedimentary - Women's
$89.73Save 40%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLETSmartwoolClassic Thermal Merino Base Layer Half-Zip Hoodie - Women's
$71.83Save 50%compared to  $145.00Underwear Weight:LightweightSize Type:RegularMons RoyaleCascade Merino Flex Mock-Neck Base Layer Top - Women's
$89.73Save 35%compared to  $140.00Underwear Weight:MidweightSize Type:RegularREI OUTLETHelly HansenOdin Power Stretch Half-Zip Base Layer Top - Women's
$88.73Save 40%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLETHelly HansenH1 Pro Lifa Seamless Half-Zip Base Layer Top - Men's
$96.73Save 35%compared to  $150.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
91–120 of 182 products
Sort: Best Match