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Moisture Wicking Underwear
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- Icebreaker150 Anatomica Crewe Base Layer Top - Men'sTop Rated$75.00Underwear Weight:LightweightSize Type:Regular, Big
- PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's$109.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Hot ChillysOriginals Print Base Layer Crew - Kids'$39.73Save 27%compared to  $55.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Arc'teryxRho Base Layer Bottoms - Women's$100.00Underwear Weight:LightweightSize Type:Regular, Plus
- Free CountryCloud Knit Base Layer Bottoms - Men's$26.73Save 33%compared to  $40.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Men's$135.00Underwear Weight:MidweightSize Type:Regular, Big
- Kari TraaLucie Base Layer Pants - Women's$58.73Save 26%compared to  $80.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaRose Light High-Waisted Base Layer Pants - Women's$81.73Save 25%compared to  $110.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Arc'teryxRho Base Layer Bottoms - Women's$79.73Save 20%compared to  $100.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes$115.00 - $120.00Underwear Weight:MidweightSize Type:Plus
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$99.00Underwear Weight:MidweightSize Type:Regular
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Men's$84.73Save 26%compared to  $115.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- Free CountryMicrotech Heat Cocarber Base Layer Bottoms - Women's$39.73Save 33%compared to  $60.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Hot ChillysOriginals Print Base Layer Pants - Kids'$39.73Save 27%compared to  $55.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SaxxRoast Master Midweight Long-Sleeve Crew Base Layer Top - Men's$47.73Save 36%compared to  $75.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:BigREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$135.00Underwear Weight:MidweightSize Type:Regular, Plus
- Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Women's$93.73Save 25%compared to  $125.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men's$99.73Save 26%compared to  $135.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:HeavyweightSize Type:BigREI OUTLET
- Hot ChillysOriginals Solid Base Layer Pants - Kids'$34.73Save 26%compared to  $47.50Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Oasis High-Rise Base Layer Leggings - Women's$115.00Underwear Weight:MidweightSize Type:Regular
- Arc'teryxRho LT Zip-Neck Base Layer Top - Men'sTop Rated$120.00Underwear Weight:LightweightSize Type:Regular, Big
- Terramar2.0 Cloud Nine Midweight Base Layer Capri Pants - Women's$28.73Save 28%compared to  $40.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Black DiamondSolution 150 Merino Base Layer Crew Top - Women'sTop Rated$99.73Save 26%compared to  $135.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- StioBasis PeakWool Midweight Half-Zip Base Layer Top - Men'sTop Rated$159.00Underwear Weight:MidweightSize Type:Regular, Big
- Arc'teryxRho LT Crew Neck Base Layer Top - Men'sTop Rated$100.00Underwear Weight:LightweightSize Type:Regular, Big
- SENIQWool Sculpt Merino Mock-Neck Long-Sleeve Base Layer Shirt - Women's$128.00Underwear Weight:HeavyweightSize Type:Regular
- Terramar2.0 Cloud Nine Half-Zip Base Layer Top - Women's$34.73Save 30%compared to  $50.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaSmekker Base Layer Pants - Women's$83.73Save 30%compared to  $120.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Joggers - Women's$51.73Save 35%compared to  $80.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Colorblock Crew - Men's$96.73Save 25%compared to  $130.00Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
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