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Base Layer Bottoms
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- REI Co-opMidweight Base Layer Bottoms - Men's$54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Men'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opLightweight Base Layer Bottoms - Men'sTop Rated$27.93 - $39.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$115.00Underwear Weight:MidweightSize Type:Regular
- Arc'teryxKyanite Base Layer Bottoms - Women's$96.73Save 19%compared to  $120.00Members, use code OUTCOLD25 to save an extra 25% on this item, thru 11/3.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- REI Co-opMidweight Base Layer Tights - Women's$54.95Underwear Weight:MidweightSize Type:Regular, Plus, Petite
- REI Co-opHeavyweight Merino Base Layer Bottoms - Men's$99.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- Arc'teryxRho Insulated 3/4 Base Layer Bottoms - Men'sTop Rated$159.73Save 20%compared to  $200.00Members, use code OUTCOLD25 to save an extra 25% on this item, thru 11/3.Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET
- tasc PerformanceElevation Merino Base Layer Bottoms - Men's$34.73 - $54.73Save 30% - 56%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- tasc PerformanceElevation Merino Base Layer Bottoms - Women's$54.73Save 30%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- REI Co-opMidweight Base Layer Bottoms - Kids'Top Rated$16.83 - $34.95Underwear Weight:MidweightSize Type:Regular
- REI Co-opHeavyweight Merino Base Layer Bottoms - Women'sTop Rated$99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opMerino 185 Base Layer Bottoms - Men's$79.95Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's$90.00Underwear Weight:LightweightSize Type:Regular, Plus
- REI Co-opLightweight Base Layer Tights - Women'sTop Rated$39.95Underwear Weight:LightweightSize Type:Regular, Plus
- SmartwoolIntraknit Active Base Layer Bottoms - Women'sNew arrival$79.73Save 27%compared to  $110.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho Base Layer Bottoms - Women's$24.83 - $100.00Underwear Weight:LightweightSize Type:Regular, Plus
- Free CountryForce Grid Fleece Base Layer Bottoms - Women's$34.73Save 36%compared to  $55.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Icebreaker260 Merino Tech Thermal Leggings with Fly - Men'sTop Rated$125.00Underwear Weight:HeavyweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's$90.00Underwear Weight:LightweightSize Type:Regular, Big
- PatagoniaCapilene Midweight Base Layer Bottoms - Men'sTop Rated$89.00Underwear Weight:MidweightSize Type:Regular
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'$44.93 - $65.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Base Layer Bottoms - Women's$79.95Underwear Weight:LightweightSize Type:Regular
- Free CountryForce Grid Fleece Base Layer Bottoms - Men's$29.73Save 33%compared to  $45.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- Black DiamondSolution 150 Merino Base Layer Bottoms - Women'sTop Rated$79.73Save 27%compared to  $110.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Oasis Thermal Base Layer Leggings - Women's$78.73Save 25%compared to  $105.00Underwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- REI Co-opMidweight Base Layer Bottoms - Toddlers'Top Rated$24.95Underwear Weight:MidweightSize Type:Regular
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'Top Rated$46.73Save 28%compared to  $65.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Oasis Thermal Leggings - Women's$105.00Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's$92.73Save 28%compared to  $130.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
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