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Moisture Wicking Underwear
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- Kari TraaSmekker Long-Sleeve Base Layer Top - Women's$89.73Save 25%compared to $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho Hoody Base Layer Top - Women'sTop Rated$120.00 - $140.00Underwear Weight:LightweightSize Type:Regular, Plus
- Icebreaker300 MerinoFine Polar Long-Sleeve Roll-Neck Thermal Base Layer Top - Men'sTop Rated$220.00Underwear Weight:HeavyweightSize Type:Regular
- Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's$44.83Save 50%compared to $90.00Underwear Weight:UltralightweightSize Type:Regular, Big
- Arc'teryxLana Merino Wool Crew Base Layer Top - Women's$90.00Underwear Weight:LightweightSize Type:Regular, Plus
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's$104.73Save 30%compared to $150.00Save an extra 25% off select styles at REI Outlet, thru 3/2.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Arc'teryxRho LT Base Layer Bottoms - Men's$79.73Save 20%compared to $100.00Underwear Weight:MidweightSize Type:BigREI OUTLET
- SmartwoolIntraknit Merino 3/4 Base Layer Bottoms - Women's$120.00Underwear Weight:MidweightSize Type:Regular
- Ortovox120 Comp Light Short Base Layer Pants - Men's$70.00Underwear Weight:LightweightSize Type:Regular, Big
- Free CountryForce Grid Fleece Base Layer Top - Women's$34.73Save 36%compared to $55.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Black DiamondSolution 150 Merino Base Layer Crew Top - Women'sTop Rated$99.73Save 26%compared to $135.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho Merino Wool Base Layer Bottoms - Men's$120.00Underwear Weight:LightweightSize Type:Big
- Helly HansenHH Durawool Base Layer T-Shirt - Women's$56.73Save 29%compared to $80.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Joggers - Women's$51.73Save 35%compared to $80.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Ortovox185 Rock'N'Wool Short Base Layer Pants - Men's$100.00 - $110.00Underwear Weight:LightweightSize Type:Regular, Big
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Base Layer Top - Men's$120.00Underwear Weight:MidweightSize Type:Big
- Arms of Andes300 Lightweight Alpaca Wool Base Layer Leggings - Men's$56.83Save 50%compared to $115.00Underwear Weight:LightweightSize Type:Regular, Big
- Ortovox120 Comp Light Base Layer Hoody - Men's$120.00Underwear Weight:LightweightSize Type:Regular, Big
- Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's$41.83Save 50%compared to $85.00Underwear Weight:UltralightweightSize Type:Regular, Big
- StioBasisPeak Wool Midweight Base Layer Tights - Women's$73.83Save 50%compared to $149.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaFierce Long-Sleeve Base Layer Top - Women's$46.73Save 29%compared to $66.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Mock Neck Base Layer Top - Women's$140.00Underwear Weight:MidweightSize Type:Regular
- HalfdaysHallie Midweight Merino Base Layer Leggings - Women'sTop Rated$89.93 - $130.00Underwear Weight:MidweightSize Type:Regular
- Ortovox185 Rock'N'Wool Long-Sleeve Base Layer Top - Men's$120.00 - $130.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Crew One-Piece - Women's$250.00Underwear Weight:MidweightSize Type:Regular
- SmartwoolThermal Merino Rib Turtleneck Base Layer Top - Women's$130.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMidweight Base Layer Bottoms - Toddlers'Top Rated$24.95Underwear Weight:MidweightSize Type:Regular
- Ortovox185 Rock'N'Wool Zip Neck Base Layer Top - Men's$130.00Underwear Weight:LightweightSize Type:Regular, Big
- Ortovox230 Competition Short Base Layer Pants - Men's$90.00Underwear Weight:MidweightSize Type:Regular, Big
- StioBasisPeak Wool Midweight Half-Zip Base Layer Top - Women's$73.83Save 50%compared to $149.00Underwear Weight:MidweightSize Type:Regular
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