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Base Layer Bottoms
(172 products)Products (172)
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- SmartwoolClassic All-Season Merino 3/4 Base Layer Bottoms - Men's$75.00Underwear Weight:LightweightSize Type:Regular, Big
- Arc'teryxKyanite Base Layer Bottoms - Women'sTop Rated$120.00Underwear Weight:HeavyweightSize Type:Regular, Plus
- SmartwoolIntraknit Active Base Layer Bottoms - Men's$81.73Save 25%compared to  $110.00Underwear Weight:MidweightSize Type:Big, RegularREI OUTLET
- Arc'teryxRho SV Base Layer Bottoms - Men's$120.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Kari TraaFryd Base Layer Pants - Women's$42.73Save 22% - 28%compared to  $55.00 - $60.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Kari TraaKlara High-Waisted Base Layer Pants - Women's$62.73 - $66.73Save 25% - 30%compared to  $90.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's$130.00Underwear Weight:LightweightSize Type:Regular
- Arc'teryxRho Merino Wool Base Layer Bottoms - Men's$120.00Underwear Weight:LightweightSize Type:Regular, Big
- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Joggers - Women's$51.73Save 35%compared to  $80.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight 3/4 Base Layer Pants - Men's$85.00Underwear Weight:MidweightSize Type:Regular, Big
- Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's$85.00Underwear Weight:UltralightweightSize Type:Regular, Big
- Kari TraaKaia Base Layer Set - Women's$130.00Underwear Weight:LightweightSize Type:Regular
- Kari TraaElse Base Layer Pants - Women's$74.73Save 25%compared to  $100.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic All-Season Merino Base Layer Bottoms - Women'sNew arrival$66.73Save 25%compared to  $90.00Underwear Weight:LightweightSize Type:PlusREI OUTLET
- Kari TraaRose High-Waisted Base Layer Pants - Women's$130.00Underwear Weight:LightweightSize Type:Regular
- Kari TraaVilma Base Layer Pants - Women's$67.73Save 24%compared to  $90.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Icebreaker125 ZoneKnit Merino Thermal Leggings - Men's$93.73Save 25%compared to  $125.00Underwear Weight:UltralightweightSize Type:Regular, BigREI OUTLET
- Icebreaker200 ZoneKnit Merino Thermal Base Layer Leggings - Men's$109.73Save 26%compared to  $150.00Size Type:Regular, BigREI OUTLET
- Outdoor ResearchAlpine Onset Merino 150 Base Layer Bottoms - Men's$99.00Underwear Weight:LightweightSize Type:Regular, Big
- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Pants - Men's$56.73Save 29%compared to  $80.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer 3/4 Bottoms - Men's$120.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes$115.00 - $120.00Underwear Weight:MidweightSize Type:Plus
- IcebreakerMerino 260 Tech Thermal Base Layer Leggings With Fly - Men'sTop Rated$93.73Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET
- REI Co-opMerino 185 Base Layer Bottoms - Women's Plus Sizes$79.95Underwear Weight:LightweightSize Type:Plus
- SmartwoolClassic Thermal Merino Base Layer Crew One-Piece - Women's$250.00Underwear Weight:MidweightSize Type:Regular
- Arms of Andes300 Lightweight Alpaca Wool Base Layer Leggings - Men's$115.00Underwear Weight:LightweightSize Type:Regular, Big
- StioBasis PeakWool Midweight Base Layer Tights - Men's$149.00Underwear Weight:MidweightSize Type:Regular, Big
- Hot ChillysClima-Wool Base Layer Bottoms - Men's$79.73Save 33%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- KUHLReactiv Lite Grid Base Layer Bottoms - Men's$99.00Underwear Weight:LightweightSize Type:Regular, Big
- The North FaceSummit Series Pro 120 Base Layer Tights - Men'sTop Rated$100.00Underwear Weight:UltralightweightSize Type:Regular
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