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Base Layer Bottoms
(135 products)Products (135)
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- Kari TraaSmekker High-Waist Base Layer Pants - Women's$90.93Save 30%compared to  $130.00Underwear Weight:MidweightSize Type:Regular
- Arc'teryxRho LT Base Layer Bottoms - Men's$79.73Save 20%compared to  $100.00Underwear Weight:MidweightSize Type:BigREI OUTLET
- The North FaceFD Pro 160 Base Layer Tights - Women's$34.83Save 50%compared to  $70.00Underwear Weight:MidweightSize Type:Plus
- Arms of Andes300 Lightweight Alpaca Wool 3/4 Base Layer Leggings - Men's$54.83Save 50%compared to  $110.00Underwear Weight:LightweightSize Type:Regular, Big
- StioBasisPeak Wool Midweight Base Layer Tights - Women's$73.83Save 50%compared to  $149.00Underwear Weight:MidweightSize Type:Regular
- Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's$41.83Save 50%compared to  $85.00Underwear Weight:UltralightweightSize Type:Regular, Big
- Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's$46.83Save 50%compared to  $95.00Underwear Weight:UltralightweightSize Type:Regular, Big
- StioBasis PeakWool Midweight Base Layer Tights - Men's$73.83Save 50%compared to  $149.00Underwear Weight:MidweightSize Type:Regular, Big
- Arms of Andes300 Lightweight Alpaca Wool Base Layer Leggings - Men's$56.83Save 50%compared to  $115.00Underwear Weight:LightweightSize Type:Regular, Big
- PatagoniaCapilene Thermal Weight Boot-Length Long Underwear Bottoms - Women's$39.83Save 53%compared to  $85.00Underwear Weight:HeavyweightSize Type:Regular
- Helly HansenLifa Merino Midweight Base Layer Pants - Men's$69.93Save 33%compared to  $105.00Underwear Weight:MidweightSize Type:Big
- ArtilectDarkhorse 185 Zoned Base Layer Leggings - Women's$82.73Save 48%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaFryd Base Layer Pants - Women's$40.73Save 32%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- The North FaceSummit Pro 120 Base Layer Tights - Women's$49.83Save 50%compared to  $100.00Underwear Weight:MidweightSize Type:Regular
- Ortovox230 Competition Long Base Layer Pants - Men's$100.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Crew One-Piece - Women's$250.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaAlma Base Layer Pants - Women's$90.00Underwear Weight:UltralightweightSize Type:Regular
- ArtilectFlatiron 185 Base Layer Leggings - Women's$76.73Save 52%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- FP MovementMyoko Base Layer Bottoms - Women's$95.93Save 25%compared to  $128.00Underwear Weight:LightweightSize Type:Regular
- IcebreakerMerino Base Layer Leggings - Women's$109.73Save 45%compared to  $200.00Size Type:RegularREI OUTLET
- REI Co-opMidweight Base Layer Bottoms - Toddlers'Top Rated$24.95Underwear Weight:MidweightSize Type:Regular
- Wild RyeBassett LITE Base Layer Leggings - Women's$59.83Save 32%compared to  $89.00Underwear Weight:LightweightSize Type:Regular, Plus
- RHONEApres Houndstooth Seamless Base Layer Leggings - Women's$128.00Underwear Weight:LightweightSize Type:Regular
- Helly HansenLIFA Merino Midweight Graphic Base Layer Pants - Women's$29.83 - $79.93Save 30% - 72%compared to  $110.00 - $115.00Underwear Weight:MidweightSize Type:Regular
- Helly HansenLIFA Base Layer Pants - Men'sNew arrival$45.00Underwear Weight:LightweightSize Type:Regular, Big
- Wild RyeBassett Base Layer Leggings - Women's$79.83Save 30%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, Plus
- FP MovementMyoko Base Layer Bottoms - Women's$95.93Save 25%compared to  $128.00Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$84.73Save 26%compared to  $115.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaEdith 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's$66.73Save 25%compared to  $90.00Underwear Weight:LightweightSize Type:PlusREI OUTLET
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