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Artilect Merino Wool Underwear
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- REI Co-opMerino Bikini Underwear - Women's$27.95Size Type:Regular, Plus
- REI Co-opMerino Boxer Briefs - Men's$39.95Size Type:Regular, Big
- ExOfficioGive-N-Go 2.0 Bikini Briefs - Women's$14.73Save 26%compared to $20.00Size Type:RegularREI OUTLET
- REI Co-opMerino BraletteTop Rated$44.95Bra Support:Low ImpactSupport Style:EncapsulationFabric:48% merino wool/32% TENCEL lyocell/15% nylon/5% LYCRA spandex
- SmartwoolActive Boxer Briefs - Men's$24.73Save 29%compared to $35.00Size Type:Regular, BigREI OUTLET
- SmartwoolMerino Bikini Underwear Boxed - Women's$35.00Size Type:Regular
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's$69.93 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- REI Co-opMidweight Long-Sleeve Base Layer Top - Men'sTop Rated$37.93 - $54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opEveryday Boxer Briefs - Men's$24.95Size Type:Regular, Big
- SmartwoolMerino Print Boxer Briefs - Men's$34.73Save 27%compared to $48.00Size Type:Regular, BigREI OUTLET
- REI Co-opMerino Hipster Underwear - Women's$29.95Size Type:Regular, Plus
- REI Co-opMerino 185 Base Layer Bottoms - Women's$79.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's$125.00Underwear Weight:MidweightSize Type:Regular
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's$79.95Underwear Weight:LightweightSize Type:Regular
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Men'sTop Rated$125.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opMerino Boxers - Men's$39.95Size Type:Regular, Big
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women'sTop Rated$72.93 - $104.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- ExOfficioEveryday Hipster Underwear - Women's$16.73Save 30%compared to $24.00Size Type:RegularREI OUTLET
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's$69.93 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Base Layer Bottoms - Women's$69.93 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
Get $130 in value
$30 in card rewards are yours when approved for the REI Co-op Mastercard by Mar 9. Plus, you can earn a $100 REI gift card after your first purchase. Terms apply.
Apply now- ExOfficioGive-N-Go Sport 2.0 Sport Mesh Bikini Briefs - Women's$18.73Save 27%compared to $26.00Size Type:RegularREI OUTLET
- tasc PerformanceElevation Merino Base Layer Bottoms - Women's$54.73Save 30%compared to $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- REI Co-opLightweight Base Layer Bottoms - Men'sTop Rated$44.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
- REI Co-opMidweight Base Layer Half-Zip Top - Men'sTop Rated$41.93 - $59.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men'sTop Rated$79.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes$49.93Save 37%compared to $79.95Underwear Weight:LightweightSize Type:Plus
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$69.93 - $120.00Underwear Weight:MidweightSize Type:Regular, Big
- REI Co-opActive Bikini Underwear - Women's$19.95Size Type:Regular, Plus
- tasc PerformanceElevation Merino T-Shirt - Women's$54.73Save 30%compared to $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- REI Co-opLightweight Crew Base Layer Top - Men'sTop Rated$14.83 - $34.95Underwear Weight:LightweightSize Type:Regular, Big, Tall
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