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Base Layers
(462 products)Products (462)
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IcebreakerMerino 200 Sonebula Long-Sleeve Half-Zip Hood Base Layer Top - Women's
$111.73Save 25%compared to  $150.00REI OUTLETIcebreakerMerino 200 Oasis Long-Sleeve Crewe Macro Forms Base Layer Top - Women's
$85.73Save 25%compared to  $115.00REI OUTLETThreads 4 ThoughtBase Layer Sport Tights - Women's
$23.73Save 50%compared to  $48.00REI OUTLETHelly HansenLIFA Active Stripe Crew Base Layer Top - Men's
$44.73Save 25%compared to  $60.00REI OUTLETPatagoniaDirt Roamer Bike Liner Shorts - Men's
$99.00Helly HansenLIFA Merino Midweight 2-In-1 Base Layer Hoodie - Men's
$89.73Save 25%compared to  $120.00REI OUTLET- Top Rated
Arc'teryxRho LT Zip-Neck Base Layer Top - Men's
$89.93 - $120.00 CraftActive Intensity Base Layer Pants - Men's
$36.73Save 33%compared to  $54.95REI OUTLETSeirusHeatwave All Season Full-Length Base Layer Bottoms - Women's
$70.00Kari TraaFierce Long-Sleeve Base Layer Top - Women's
$44.73Save 25%compared to  $60.00REI OUTLETCraftCORE Wool Mix Base Layer Set - Women's
$89.73Save 35%compared to  $139.95REI OUTLET- Top Rated
The North FaceFD Pro 160 Base Layer Crew Top - Men's
$70.00 - Top Rated
The North FaceFD Pro 160 Base Layer Tights - Men's
$70.00 SeirusHeatwave Body Mapped Full-Length Base Layer Bottoms - Women's
$120.00Ortovox185 Rock'N'Wool Short Base Layer Pants - Women's
$69.73Save 30%compared to  $100.00REI OUTLETFoxTecbase Bib Liner Bike Shorts - Men's
$74.73Save 25%compared to  $99.95REI OUTLETBridgedaleEveryday Ultra Light Boot Socks - Men's
$11.73Save 44%compared to  $20.99REI OUTLETKari TraaFryd Long-Sleeve Base Layer Top - Women's
$34.73Save 36% - 42%compared to  $55.00 - $60.00REI OUTLETSmartwoolClassic Thermal Merino Base Layer Logo Hoodie - Women's
$100.73Save 30%compared to  $145.00REI OUTLETOutdoor ResearchAlpine Onset Merino Base Layer Bottoms - Women's
$49.73Save 49%compared to  $99.00REI OUTLETIcebreakerMerino 250 Vertex Long-Sleeve Half-Zip Thermal Top Sedimentary - Women's
$89.73Save 40%compared to  $150.00REI OUTLETSmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$79.73Save 30%compared to  $115.00REI OUTLETFree CountryForce Grid Fleece Base Layer Pants - Men's
$28.73Save 36%compared to  $45.00REI OUTLETIcebreaker200 Oasis First Snow Base Layer Leggings - Men's
$89.73Save 25%compared to  $120.00REI OUTLETFree CountryMicrotech Heat Base Layer Top - Men's
$28.73Save 36%compared to  $45.00REI OUTLETFree CountryMicrotech Heat Base Layer Bottoms - Men's
$31.73Save 29%compared to  $45.00REI OUTLET- Top Rated
SmartwoolClassic Thermal Merino Base Layer Crew Top - Women's
$79.73Save 30%compared to  $115.00REI OUTLET Kari TraaSilja Long-Sleeve Base Layer Top - Women's
$89.73Save 25%compared to  $120.00REI OUTLETCraftActive Intensity Zip Base Layer Top - Men's
$39.73Save 46%compared to  $74.95REI OUTLETIcebreakerMerino 260 Vertex Long-Sleeve Half-Zip Glacial Flow Base Layer Top - Women's
$111.73Save 25%compared to  $150.00REI OUTLET
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