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Underwear: Deals
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- TerramarC-Suite Fusion Thermal Pants - Women's$46.73Save 28%compared to  $65.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- StanceFull Moon Boxer Briefs - Men's$22.73Save 24%compared to  $30.00Size Type:RegularREI OUTLET
- IcebreakerMerino 260 Vertex Long-Sleeve Crewe Thermal Base Layer Top - Women's$99.73Save 28%compared to  $140.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's$104.73Save 30%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaLekker Half-Zip Base Layer Top - Women's$44.73Save 25%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Icebreaker260 ZoneKnit Base Layer Leggings - Men'sTop Rated$119.73Save 27%compared to  $165.00Underwear Weight:HeavyweightSize Type:BigREI OUTLET
- Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Men'sTop Rated$109.73Save 26%compared to  $150.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Kids'$52.73Save 29%compared to  $75.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SaxxRoast Master Midweight Long-Sleeve Crew Base Layer Top - Men's$52.73Save 29%compared to  $75.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- SaxxRoast Master Midweight Base Layer Bottoms - Men's$52.73Save 29%compared to  $75.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Women's$98.73Save 38%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaAlma Base Layer Pants - Women's$52.73Save 24%compared to  $70.00Underwear Weight:UltralightweightSize Type:RegularREI OUTLET
- ArtilectFlatiron 185 Base Layer Leggings - Women's$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- StanceAlonzo Boxer Briefs - Men's$19.73Save 26%compared to  $27.00Size Type:RegularREI OUTLET
- ArtilectDarkhorse 185 Zoned Base Layer Leggings - Women's$99.73Save 37%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaMalia Base Layer Pants - Women's$52.73Save 24%compared to  $70.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- HalfdaysSophia Base Layer Leggings - Women's$62.93Save 25%compared to  $85.00Underwear Weight:LightweightSize Type:Plus, Regular
- Icebreaker300 MerinoFine Long-Sleeve Roll-Neck Base Layer Top - Women's$164.73Save 25%compared to  $220.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- PatagoniaBaby Capilene Midweight Henley Base Layer Top - Infants'$23.93Save 31%compared to  $35.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaJuliane Wool Long-Sleeve Base Layer Top - Women's$90.73Save 30%compared to  $130.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- CraftCore Dry Active Comfort Long-Sleeve Base Layer Jersey - Kids'$38.73Save 40%compared to  $64.95Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Base Layer 3/4 Pants - Women's$59.73Save 25%compared to  $80.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Men's$104.73Save 30%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Icebreaker200 ZoneKnit Merino Thermal Base Layer Leggings - Men's$109.73Save 26%compared to  $150.00Size Type:Regular, BigREI OUTLET
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Women's$84.73Save 26%compared to  $115.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$74.73Save 24%compared to  $99.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Crew Base Layer Top - Women's$74.73Save 25%compared to  $100.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenH1 Pro Lifa Seamless Base Layer Bottoms - Women's$82.73Save 24%compared to  $110.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Icebreaker200 ZoneKnit Thermal Base Layer Leggings - Women's$109.73Save 26%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- CraftActive Intensity Zip Base Layer Top - Women's$54.73Save 31%compared to  $79.95Underwear Weight:LightweightSize Type:RegularREI OUTLET
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