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Base Layer Tops
(284 products)Products (284)
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- Hot ChillysOriginals Solid Base Layer Crew - Kids'$34.73Save 26%compared to  $47.50Underwear Weight:MidweightSize Type:RegularREI OUTLET
- REI Co-opLightweight Crew Base Layer Top - Women'sTop Rated$29.95Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women'sTop Rated$104.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opMerino 185 Base Layer Top - Women's$69.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$89.95Underwear Weight:LightweightSize Type:Regular
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$105.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opLightweight Crew Base Layer Top - Toddlers'Top Rated$19.95Underwear Weight:LightweightSize Type:Regular
- REI Co-opMerino Midweight Base Layer Crew Top - Kids'Top Rated$49.95Underwear Weight:MidweightSize Type:Regular
- CraftCORE Dry Active Comfort Base Layer Top - Women's$39.73Save 38%compared to  $64.95Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women'sTop Rated$120.00Underwear Weight:MidweightSize Type:Regular, Plus
- Helly HansenLIFA Merino Midweight 2-In-1 Base Layer Hoodie - Women's$86.73Save 27%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- REI Co-opLightweight Base Layer Crew Top - Kids'Top Rated$29.95Underwear Weight:LightweightSize Type:Regular
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$99.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes$79.95Underwear Weight:LightweightSize Type:Plus
- Arc'teryxRho Zip-Neck Base Layer Top - Women'sTop Rated$120.00Underwear Weight:LightweightSize Type:Regular, Plus
- Kari TraaVilma Half-Zip Base Layer Top - Women's$74.73Save 25%compared to  $100.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$99.73Save 26%compared to  $135.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes$89.95Underwear Weight:LightweightSize Type:Plus
- PatagoniaCapilene Midweight Crew Base Layer Top - Women'sTop Rated$43.83 - $89.00Underwear Weight:MidweightSize Type:Regular, Plus
- REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes$69.95Underwear Weight:LightweightSize Type:Plus
- Kari TraaElse Half-Zip Base Layer Top - Women's$76.73Save 30%compared to  $110.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic All-Season Merino T-Shirt - Women's$80.00Underwear Weight:LightweightSize Type:Regular, Plus
- Kari TraaRose Light Half-Zip Base Layer Top - Women's$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenGraphic Lifa Merino Base Layer Set - Kids'$74.73Save 32%compared to  $110.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's$114.73Save 30%compared to  $165.00Size Type:RegularREI OUTLET
- Outdoor ResearchAlpine Onset Merino 150 Base Layer Hoodie - Women'sTop Rated$119.00Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolClassic All-Season Merino Base Layer Long-Sleeve Shirt - Women's$66.73Save 25%compared to  $90.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's$96.73Save 25%compared to  $130.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Balaclava Hoodie - Women's$106.73Save 28%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
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