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Base Layer
(384 products)Products (384)
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SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
$97.73Save 24%compared to  $130.00REI OUTLETTerramar3.0 Thermawool Base Layer Tights - Women's
$52.73Save 24%compared to  $70.00REI OUTLETIcebreaker200 Oasis Sonebula Base Layer Leggings - Women's
$89.73Save 25%compared to  $120.00REI OUTLETHelly HansenLIFA Merino Midweight 2-In-1 Graphic Half-Zip Base Layer Top - Women's
$86.73 - $89.73Save 25% - 27%compared to  $120.00REI OUTLETPatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's
$74.73Save 24%compared to  $99.00REI OUTLETKari TraaSmekker Base Layer Pants - Women's
$89.73Save 25%compared to  $120.00REI OUTLETHelly HansenMerino Wool Base Layer Set - Kids'
$82.73Save 31%compared to  $120.00REI OUTLETIcebreaker200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top - Women's
$89.73Save 25%compared to  $120.00REI OUTLETTerramar2.0 Cloud Nine Midweight Base Layer Capri Pants - Women's
$28.73Save 28%compared to  $40.00REI OUTLETSmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's
$101.73Save 24%compared to  $135.00REI OUTLETKari TraaLilja Long-Sleeve Base Layer Top - Women's
$49.73Save 24%compared to  $66.00REI OUTLETKari TraaRose Light High-Waisted Base Layer Pants - Women's
$82.73Save 24%compared to  $110.00REI OUTLETIcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Kids'
$52.73Save 29%compared to  $75.00REI OUTLETTerramarC-Suite Fusion Thermal Pants - Women's
$46.73Save 28%compared to  $65.00REI OUTLETKari TraaMina Base Layer Pants - Women's
$44.73Save 25%compared to  $60.00REI OUTLETHelly HansenLIFA Merino Midweight Crew Base Layer Top - Women's
$74.73Save 25%compared to  $100.00REI OUTLET- Top Rated
Arc'teryxKyanite Zip-Neck Base Layer Top - Women's
$84.83 - $98.83Save 29% - 39%compared to  $140.00 Kari TraaMalia Base Layer Pants - Women's
$52.73Save 24%compared to  $70.00REI OUTLETKari TraaAlma Hood Base Layer Top - Women's
$59.73Save 25%compared to  $80.00REI OUTLETCraftActive Intensity Base Layer Pants - Women's
$31.73Save 42%compared to  $54.95REI OUTLET- Top Rated
Arc'teryxRho LT Base Layer Hoody - Men's
$96.93Save 19%compared to  $120.00 - New arrival
Arc'teryxKyanite Base Layer Bottoms - Women's
$96.73Save 19%compared to  $120.00REI OUTLET TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Pants - Men's
$56.73Save 29%compared to  $80.00REI OUTLET- Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men's
$99.73Save 26%compared to  $135.00REI OUTLET Icebreaker125 ZoneKnit Merino Thermal Leggings - Men's
$93.73Save 25%compared to  $125.00REI OUTLETSmartwoolClassic Thermal Merino Lettuce Edge Base Layer Bottoms - Women's
$82.73Save 28%compared to  $115.00REI OUTLETCraftCore Dry Active Comfort Base Layer Pants - Women's
$29.73Save 33%compared to  $44.95REI OUTLETCraftCore Dry Active Comfort Long-Sleeve Base Layer Jersey - Kids'
$42.73Save 34%compared to  $64.95REI OUTLETFree CountryMicrotech Heat Cocaber Base Layer Top - Women's
$34.73Save 30%compared to  $50.00REI OUTLETKari TraaMina Long-Sleeve Base Layer Top - Women's
$44.73Save 25%compared to  $60.00REI OUTLET
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