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Wool Underwear
(299 products)Products (299)
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- Icebreaker200 ZoneKnit Merino Thermal Base Layer Leggings - Men's$109.73Save 26%compared to  $150.00Size Type:Regular, BigREI OUTLET
- Helly HansenLIFA Merino Midweight Crew Base Layer Top - Women's$69.73Save 30%compared to  $100.00Underwear Weight:MidweightSize Type:Plus, RegularREI OUTLET
- SmartwoolClassic Thermal Merino Lettuce Edge Crew Base Layer Top - Women's$82.73Save 28%compared to  $115.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaSara Long-Sleeve Base Layer Top - Women's$74.73Save 25%compared to  $100.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Sale Ends Dec 8Icebreaker150 Anatomica Crewe Base Layer Top - Men'sTop Rated$56.19Save 25%compared to  $75.00Underwear Weight:LightweightSize Type:Regular, Big
- Kari TraaMina Base Layer Pants - Women's$42.73Save 28%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaEdith Base Layer Pants - Women's$74.73Save 25%compared to  $100.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Lettuce Edge Base Layer Bottoms - Women's$82.73Save 28%compared to  $115.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Men'sTop Rated$109.73Save 26%compared to  $150.00Underwear Weight:MidweightSize Type:BigREI OUTLET
- SmartwoolIntraknit Active Base Layer Bottoms - Men's$81.73Save 25%compared to  $110.00Underwear Weight:MidweightSize Type:Big, RegularREI OUTLET
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men'sTop Rated$85.73Save 25%compared to  $115.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Men's$84.73Save 26%compared to  $115.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- Sale Ends Dec 8Icebreaker260 Tech Vertex Long-Sleeve Half-Zip Thermal Base Layer Top - Women's$112.49Save 25%compared to  $150.00Underwear Weight:HeavyweightSize Type:Regular
- Kari TraaEloise Long-Sleeve Base Layer Top - Women's$51.73Save 26%compared to  $70.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Terramar3.0 Thermawool Base Layer Tights - Women's$52.73Save 24%compared to  $70.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's$150.00Underwear Weight:MidweightSize Type:Regular
- SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's$96.73Save 25%compared to  $130.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's$100.73Save 25%compared to  $135.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$89.73Save 30%compared to  $130.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Sale Ends Dec 1SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men's$134.99Save 25%compared to  $180.00Underwear Weight:MidweightSize Type:Regular, Big
- Kari TraaRose High-Waist Base Layer Pants - Women's$79.73Save 27%compared to  $110.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Black DiamondSolution 150 Merino Base Layer Bottoms - Women'sTop Rated$79.73Save 27%compared to  $110.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaLucie Base Layer Pants - Women's$58.73Save 26%compared to  $80.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Sale Ends Dec 1SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's$116.19Save 25%compared to  $155.00Underwear Weight:MidweightSize Type:Regular, Big
- Arms of Andes160 Ultralight Alpaca Wool Crewneck Base Layer T-Shirt - Men's$80.00Underwear Weight:UltralightweightSize Type:Regular, Big
- Sale Ends Dec 1SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Women's$97.49Save 25%compared to  $130.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaEloise Half-Zip Base Layer Top - Women's$59.73Save 25%compared to  $80.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Crop Bra$47.73Save 31%compared to  $70.00Bra Support:Low ImpactSupport Style:CompressionFabric:62% nylon/28% elastane/10% polyester (exclusive of decoration)REI OUTLET
- Kari TraaKlara High-Waisted Base Layer Pants - Women's$62.73 - $66.73Save 25% - 30%compared to  $90.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$140.00Underwear Weight:LightweightSize Type:Regular
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