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Underwear: Deals
(264 products)Products (264)
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- tasc PerformanceElevation Merino T-Shirt - Men's$54.73Save 30%compared to  $79.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Women'sTop Rated$56.83 - $115.00Underwear Weight:MidweightSize Type:Regular, Plus
- SaxxQuest Boxer Briefs - Men's$24.73Save 27%compared to  $34.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:Regular, BigREI OUTLET
- tasc PerformanceElevation Merino Base Layer Bottoms - Men's$34.73 - $54.73Save 30% - 56%compared to  $79.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET
- SaxxVolt Breathable Mesh Boxer Briefs - Men's$26.73Save 23%compared to  $35.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:Regular, BigREI OUTLET
- REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men'sTop Rated$27.93 - $39.95Underwear Weight:LightweightSize Type:Regular, Big
- REI Co-opMidweight Long-Sleeve Base Layer Top - Women's$38.39 - $54.95Underwear Weight:MidweightSize Type:Regular, Plus
- SmartwoolEveryday 6" Knit Boxer Briefs - Men's$35.73Save 25%compared to  $48.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:RegularREI OUTLET
- Helly HansenGraphic Lifa Merino Base Layer Set - Kids'$74.73Save 32%compared to  $110.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- SaxxVibe Xtra Soft Comfort Boxer Briefs - Men's$24.73Save 27%compared to  $34.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:Regular, BigREI OUTLET
- tasc PerformanceElevation Merino Base Layer Bottoms - Women's$54.73Save 30%compared to  $79.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Free FlyElevate Boxer Briefs - Men's$28.73Save 24%compared to  $38.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:Regular, BigREI OUTLET
- TerramarPerformance Briefs - Men's - Package of 3New arrival$19.73Save 34%compared to  $30.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:Regular, BigREI OUTLET
- REI Co-opMidweight Base Layer Half-Zip Top - Women's$41.89 - $59.95Underwear Weight:MidweightSize Type:Regular, Plus
- tasc PerformanceElevation Merino T-Shirt - Women's$54.73Save 30%compared to  $79.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Hot ChillysOriginals Solid Base Layer Pants - Kids'$34.73Save 26%compared to  $47.50Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Hot ChillysOriginals Print Base Layer Pants - Kids'$39.73Save 27%compared to  $55.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Hot ChillysOriginals Solid Base Layer Crew - Kids'$34.73Save 26%compared to  $47.50Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Hot ChillysOriginals Print Base Layer Crew - Kids'$39.73Save 27%compared to  $55.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- StanceCompression Nylon Boxer Briefs - Men's$26.73Save 31%compared to  $39.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:RegularREI OUTLET
- StanceGood Times Boxer Briefs - Men's - Package of 2$29.73Save 33%compared to  $45.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:RegularREI OUTLET
- ExOfficio9" GNG Sport 2.0 Boxer Briefs - Men'sTop Rated$24.73Save 27%compared to  $34.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$92.73Save 28%compared to  $130.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Kari TraaSara Long-Sleeve Base Layer Top - Women's$74.73Save 25%compared to  $100.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- SaxxUltra Super Soft Boxer Briefs - Men's$25.73Save 24%compared to  $34.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:RegularREI OUTLET
- StanceCurren Boxer Briefs - Men's$22.73Save 24%compared to  $30.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:RegularREI OUTLET
- StanceIn The Wild Wholester Boxer Briefs - Men's$24.73Save 29%compared to  $35.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Size Type:RegularREI OUTLET
- Beyond YogaSpacedye Lift Your Spirits BraTop Rated$45.93 - $66.00Bra Support:Medium ImpactSupport Style:EncapsulationFabric:87% polyester/13% spandex
- REI Co-opLightweight Crew Base Layer Top - Men'sTop Rated$19.93 - $29.95Underwear Weight:LightweightSize Type:Regular, Big
- Icebreaker200 Sonebula Leggings - Men'sTop Rated$89.73Save 25%compared to  $120.00Save up to 30% extra on your REI Outlet purchase, thru 12/16.Underwear Weight:MidweightSize Type:BigREI OUTLET
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