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Moisture Wicking Base Layers
(306 products)Products (306)
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- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall SizesTop Rated$89.95Underwear Weight:LightweightSize Type:Tall, Big
- SmartwoolIntraknit AS Merino Base Layer Crew Top - Women's$125.00Underwear Weight:MidweightSize Type:Regular
- Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's$66.93Save 25%compared to  $90.00Underwear Weight:UltralightweightSize Type:Regular, Big
- Free CountryMicrotech Heat Cocarber Base Layer Bottoms - Women's$39.73Save 33%compared to  $60.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's$130.00Size Type:Regular
- Kari TraaFryd Base Layer Pants - Women's$40.73Save 25% - 32%compared to  $55.00 - $60.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's$114.73Save 30%compared to  $165.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Size Type:RegularREI OUTLET
- Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$79.93 - $130.00Underwear Weight:MidweightSize Type:Regular, Big
- HalfdaysFay Midweight Merino Base Layer Top - Women's$130.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$89.95Underwear Weight:LightweightSize Type:Regular
- Kari TraaLucie Base Layer Pants - Women's$58.73Save 26%compared to  $80.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$68.93 - $99.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaSval Base Layer Pants - Women's$49.73Save 28%compared to  $70.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaSilja 2.0 Base Layer Pants - Women's$76.93Save 30%compared to  $110.00Underwear Weight:HeavyweightSize Type:Regular
- PatagoniaCapilene Thermal Weight Long Underwear Bottoms - Women's$68.93 - $99.00Underwear Weight:HeavyweightSize Type:Regular
- SpraywayEffra Leggings Base Layer Bottoms - Women's$29.73Save 40%compared to  $49.95Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- REI Co-opMidweight Base Layer Bottoms - Toddlers'Top Rated$24.95Underwear Weight:MidweightSize Type:Regular
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'$47.93 - $65.00Underwear Weight:MidweightSize Type:Regular
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'$65.00Underwear Weight:MidweightSize Type:Regular
- Ortovox120 Comp Light Short Base Layer Pants - Men's$70.00Underwear Weight:LightweightSize Type:Regular, Big
- Icebreaker200 Oasis Crewe Base Layer Top - Men's$110.00Underwear Weight:MidweightSize Type:Regular, Big
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$89.73Save 30%compared to  $130.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho LT Base Layer Bottoms - Men's$79.73Save 20%compared to  $100.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:BigREI OUTLET
- SmartwoolClassic Thermal Merino Mock Neck Base Layer Top - Women's$140.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes$49.93Save 37%compared to  $79.95Underwear Weight:LightweightSize Type:Plus
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Women's$99.00Underwear Weight:HeavyweightSize Type:Regular
- Ortovox230 Competition Short Base Layer Pants - Men's$90.00Underwear Weight:MidweightSize Type:Regular, Big
- Kari TraaRose Long-Sleeve Base Layer Top - Women's$79.73Save 27%compared to  $110.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:HeavyweightSize Type:Plus, RegularREI OUTLET
- SENIQWool Sculpt Merino Base Layer Leggings - Women's$128.00Underwear Weight:HeavyweightSize Type:Regular
- Helly HansenGraphic Lifa Merino Base Layer Set - Kids'$74.73Save 32%compared to  $110.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
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