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Base Layer Bottoms
(133 products)Products (133)
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- REI Co-opMidweight Base Layer Bottoms - Men's$54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Joggers - Women's$56.73Save 29%compared to  $80.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- REI Co-opLightweight Base Layer Bottoms - Men'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- REI Co-opMerino 185 Base Layer Bottoms - Men's$39.83 - $79.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMidweight Base Layer Tights - Women's$54.95Underwear Weight:MidweightSize Type:Regular, Plus, Petite
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$115.00Underwear Weight:MidweightSize Type:Regular
- Icebreaker260 Merino Tech Thermal Leggings with Fly - Men'sTop Rated$125.00Underwear Weight:HeavyweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Men'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Big
- Arc'teryxRho Heavyweight Base Layer Bottoms - Men'sTop Rated$84.83Save 29%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Kari TraaKlara High-Waist Base Layer Pant - Women's$44.83Save 50%compared to  $90.00Underwear Weight:LightweightSize Type:Regular
- REI Co-opLightweight Base Layer Tights - Women's$39.95Underwear Weight:LightweightSize Type:Regular, Plus
- The North FaceSummit Series Pro 120 Base Layer Tights - Women'sTop Rated$100.00Underwear Weight:UltralightweightSize Type:Regular, Plus
- tasc PerformanceElevation Merino Base Layer Bottoms - Women's$49.73 - $54.73Save 30% - 37%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Arc'teryxRho LT Base Layer Bottoms - Men's$70.83 - $100.00Underwear Weight:LightweightSize Type:Regular, Big
- Arc'teryxRho Base Layer Bottoms - Women's$70.83 - $100.00Underwear Weight:LightweightSize Type:Regular, Plus
- Kari TraaFryd Base Layer Pants - Women's$60.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opLightweight Base Layer Tights - Women's Plus Sizes$9.83Save 75%compared to  $39.95Underwear Weight:LightweightSize Type:Plus
- PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's$99.00Underwear Weight:HeavyweightSize Type:Regular
- tasc PerformanceElevation Merino Base Layer Bottoms - Men's$49.73 - $54.73Save 30% - 37%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- Terramar2.0 Cloud Nine Midweight Base Layer Capri Pants - Women's$28.73Save 28%compared to  $40.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men'sTop Rated$105.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'Top Rated$48.73Save 25%compared to  $65.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaMina Base Layer Pants - Women's$44.73Save 25%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- CraftActive Intensity Base Layer Pants - Women's$31.73Save 42%compared to  $54.95Underwear Weight:LightweightSize Type:RegularREI OUTLET
- CraftCore Dry Active Comfort Base Layer Pants - Women's$29.73Save 33%compared to  $44.95Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaMalia Base Layer Pants - Women's$52.73Save 24%compared to  $70.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Icebreaker200 Sonebula Leggings - Men's$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- REI Co-opHeavyweight Merino Base Layer Bottoms - Women'sTop Rated$49.83 - $69.93Save 30% - 50%compared to  $99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opMerino 185 Base Layer Bottoms - Women's$79.95Underwear Weight:LightweightSize Type:Regular
- PatagoniaCapilene Midweight Base Layer Bottoms - Women's$89.00Size Type:Regular, Plus
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