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Women's Base Layer Tops
(141 products)Products (141)
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IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Base Layer Top - Women's
$93.73Save 25%compared to  $125.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLET IcebreakerMerino 200 Oasis Long-Sleeve Crewe Macro Forms Base Layer Top - Women's
$85.73Save 25%compared to  $115.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
Sweaty BettyHigh-Neck Jacquard Base Layer Top - Women's
$82.73Save 29%compared to  $118.00Underwear Weight:MidweightSize Type:RegularREI OUTLET - New arrival
SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's
$123.73Save 25%compared to  $165.00Save up to 30% extra on your REI Outlet purchaseSize Type:RegularREI OUTLET Kari TraaRose Base Layer Hoodie - Women's
$97.73Save 24%compared to  $130.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET- Top Rated
Helly HansenLifa Merino Midweight Graphic Base Layer Top - Women's
$79.73 - $82.73Save 24% - 27%compared to  $110.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLET Terramar3.0 Thermawool Crew Base Layer Top - Women's
$49.73 - $52.73Save 24% - 28%compared to  $70.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLETArtilectDarkhorse 185 Zoned Crew Base Layer Top - Women's
$109.73Save 31%compared to  $160.00Underwear 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  $160.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLETKari TraaLekker Half-Zip Base Layer Top - Women's
$44.73Save 25%compared to  $60.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:LightweightSize Type:RegularREI OUTLETKari TraaMina Long-Sleeve Base Layer Top - Women's
$44.73Save 25%compared to  $60.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:LightweightSize Type:RegularREI OUTLETArtilectBoulder 125 Crew Long-Sleeve Base Layer Top - Women's
$82.73Save 31%compared to  $120.00Save up to 30% extra on your REI Outlet purchaseUnderwear 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 OUTLET- Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
$99.73Save 26%compared to  $135.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET Icebreaker200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top - Women's
$89.73Save 25%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLETFree CountryMicrotech Heat Cocaber Base Layer Top - Women's
$34.73Save 30%compared to  $50.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:LightweightSize Type:RegularREI OUTLETTerramar3.0 Thermawool Half-Zip Base Layer Top - Women's
$56.73Save 24%compared to  $75.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLETHelly HansenLIFA Merino Midweight Crew Base Layer Top - Women's
$74.73Save 25%compared to  $100.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLETKari TraaLucie Half-Zip Base Layer Top - Women's
$67.73Save 24%compared to  $90.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:LightweightSize Type:RegularREI OUTLETSmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
$97.73Save 24%compared to  $130.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLETKari TraaLilja Long-Sleeve Base Layer Top - Women's
$49.73Save 24%compared to  $66.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:HeavyweightSize 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 OUTLETSpraywayEffra Hoody Base Layer Top - Women's
$49.73Save 28%compared to  $69.95Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLETHelly HansenVerglas Half-Zip Top - Women's
$63.73Save 25%compared to  $85.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:LightweightSize Type:RegularREI OUTLETHelly HansenLIFA ACTIVE Graphic Crew Base Layer Top - Women's
$46.73Save 28%compared to  $65.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:LightweightSize Type:RegularREI OUTLETIcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
$119.73Save 25%compared to  $160.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLETKari TraaAlma Half-Zip Base Layer Top - Women's
$59.73Save 25%compared to  $80.00Underwear Weight:UltralightweightSize 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  $120.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLETArtilectDarkhorse 185 Zoned Quarter-Zip Base Layer Top - Women's
$116.73Save 31%compared to  $170.00Underwear Weight:MidweightSize Type:RegularREI OUTLETArc'teryxKyanite Base Layer Crew Top - Women's
$72.83Save 39%compared to  $120.00Underwear Weight:HeavyweightSize Type:RegularHelly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's
$104.73Save 30%compared to  $150.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:MidweightSize Type:RegularREI OUTLETIcebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Women's
$93.73Save 25%compared to  $125.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:LightweightSize Type:RegularREI OUTLETKari TraaSmekker Long-Sleeve Base Layer Top - Women's
$89.73Save 25%compared to  $120.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:LightweightSize Type:RegularREI OUTLETIcebreaker125 ZoneKnit Crewe Base Layer Shirt - Women's
$86.73Save 24%compared to  $115.00Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:LightweightSize Type:RegularREI OUTLETSpraywayEffra Crew Base Layer Top - Women's
$36.73Save 26%compared to  $49.95Save up to 30% extra on your REI Outlet purchaseUnderwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET- Top Rated
BurtonMidweight X Base Layer Long Neck Hoodie - Women's
$44.83Save 50%compared to  $89.95Underwear Weight:MidweightSize Type:Regular Kari TraaFaith Half-Zip Base Layer Top - Women's
$59.83Save 50%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular- Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Cloud Dye Base Layer Top - Women's
$56.83Save 50%compared to  $115.00Underwear Weight:MidweightSize Type:Regular Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
$74.83Save 50%compared to  $150.00Underwear Weight:MidweightSize Type:RegularSeirusHeatwave Body Mapped Quarter-Zip Long-Sleeve Base Layer Top - Women's
$69.83Save 50%compared to  $140.00Underwear Weight:MidweightSize Type:RegularSmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's
$97.93Save 30%compared to  $140.00Size Type:RegularBurtonMidweight Base Layer Crew Top - Women's
$31.83Save 50%compared to  $64.95Underwear Weight:MidweightSize Type:RegularIcebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
$61.83Save 50%compared to  $125.00Underwear Weight:LightweightSize Type:RegularHalfdaysJohnson Base Layer Top - Women's
$62.93Save 25%compared to  $85.00Underwear Weight:UltralightweightSize Type:Regular, PlusKari TraaSara Half-Zip Base Layer Top - Women's
$54.83Save 50%compared to  $110.00Underwear Weight:HeavyweightSize Type:Regular- Top Rated
Arc'teryxRho Hoody Base Layer Top - Women's
$104.93Save 19%compared to  $130.00Underwear Weight:LightweightSize Type:Regular SeirusHeatwave All Season Reversible Long-Sleeve Base Layer Top - Women's
$36.83Save 50%compared to  $75.00Underwear Weight:LightweightSize Type:RegularREI Co-opLightweight Base Layer Half-Zip Top - Women's Plus Sizes
$9.83Save 78%compared to  $44.95Underwear Weight:LightweightSize Type:Plus- Top Rated
Wild RyeEvie Raglan Base Layer Top - Women's
$61.83Save 50%compared to  $125.00Underwear Weight:LightweightSize Type:Regular, Plus - Top Rated
Nani SwimwearUinta Base Layer Top - Women's
$39.83Save 50%compared to  $80.00Underwear Weight:MidweightSize Type:Regular, Plus
91–141 of 141 products
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