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Underwear: Deals
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- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Joggers - Women's$51.73Save 35%compared to  $80.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Free CountryMicrotech Heat Cocaber Base Layer Bottoms - Women's$34.73Save 30%compared to  $50.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- SaxxUltra Super Soft Boxer Briefs - Men's$25.73Save 24%compared to  $34.00Members use code LABORDAY2025 for an extra 20% off at REI OutletSize Type:Regular, BigREI OUTLET
- Arc'teryxLana Merino Wool Crew Base Layer Top - Women's$59.93Save 33%compared to  $90.00Underwear Weight:LightweightSize Type:Regular, Plus
- Arc'teryxLana Merino Wool Base Layer Tank Top - Women's$59.93Save 33%compared to  $90.00Underwear Weight:LightweightSize Type:Regular
- RONHILLShort Underwear - Women's$23.73Save 32%compared to  $34.95Members use code LABORDAY2025 for an extra 20% off at REI OutletSize Type:RegularREI OUTLET
- Terramar1.0 All-Season Lightweight Merino Wool T-Shirt - Women's$34.73Save 30%compared to  $50.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Helly HansenH1 Pro Lifa Seamless Half-Zip Base Layer Top - Men's$96.73Save 35%compared to  $150.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's$98.83Save 29%compared to  $140.00Underwear Weight:MidweightSize Type:Big
- StanceCurren Poly Boxer Briefs - Men's$18.73Save 25%compared to  $25.00Members use code LABORDAY2025 for an extra 20% off at REI OutletSize Type:RegularREI OUTLET
- Terramar2.0 Cloud Nine Midweight Performance Thermal Turtleneck - Women's$32.73Save 31%compared to  $48.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- StanceTwo Tone Boxer Briefs - Men's$22.73Save 24%compared to  $30.00Members use code LABORDAY2025 for an extra 20% off at REI OutletSize Type:RegularREI OUTLET
- StanceNavy Mash Wholester Boxer Briefs - Men's$26.73Save 23%compared to  $35.00Members use code LABORDAY2025 for an extra 20% off at REI OutletSize Type:RegularREI OUTLET
- Kari TraaSmekker Base Layer Pants - Women's$83.73Save 30%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- SaxxTraining Shorts Liner - Men's$29.73Save 25%compared to  $40.00Members use code LABORDAY2025 for an extra 20% off at REI OutletSize Type:RegularREI OUTLET
- Icebreaker200 Sonebula Leggings - Men's$89.73Save 25%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Free CountryMicrotech Heat Cocaber Base Layer Top - Women's$34.73Save 30%compared to  $50.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$78.73Save 25%compared to  $105.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- prAnaSculpt Send-Off Bra$49.73Save 27%compared to  $69.00Members use code LABORDAY2025 for an extra 20% off at REI OutletBra Support:Medium ImpactSupport Style:Compression / EncapsulationFabric:Main: 84% recycled polyester/16% elastane; contrast: 83% recycled polyester/17% spandexREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Kids'$51.73Save 26%compared to  $70.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men's$112.73Save 19%compared to  $140.00Underwear Weight:HeavyweightSize Type:BigREI OUTLET
- IcebreakerMerino 260 Tech Thermal Base Layer Leggings - Kids'Top Rated$49.73Save 28%compared to  $70.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET
- StancePop End Boxer Briefs - Men's$19.73Save 26%compared to  $27.00Members use code LABORDAY2025 for an extra 20% off at REI OutletSize Type:RegularREI OUTLET
- Kari TraaFryd Base Layer Pants - Women's$44.73Save 25%compared to  $60.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaLune Long-Sleeve Base Layer Top - Women's$41.73Save 35%compared to  $65.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET
- TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Pants - Men's$56.73Save 29%compared to  $80.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- SmartwoolIntraknit Active Base Layer Bottoms - Women's$76.73Save 30%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Active Base Layer Crew Shirt - Men's$74.73Save 32%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:Big, RegularREI OUTLET
- Arc'teryxKyanite Base Layer Bottoms - Women'sTop Rated$96.73Save 19%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- CraftCore Dry Active Comfort Base Layer Pants - Men's$32.73Save 34%compared to  $49.95Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
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