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- IcebreakerMerino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top - Women's$104.73Save 25%compared to  $140.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Kari TraaRose Light Capri Base Layer Pants - Women'sNew arrival$74.73Save 25%compared to  $100.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaVilma Base Layer Pants - Women'sNew arrival$67.73Save 24%compared to  $90.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaMalia Half-Zip Base Layer Top - Women'sNew arrival$59.73Save 25%compared to  $80.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:Regular, PlusREI 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
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$78.73Save 25%compared to  $105.00Members use code LABORDAY2025 for an extra 20% off at REI OutletSize Type:Regular, PlusREI OUTLET
- IcebreakerMerino Base Layer Leggings - Women's$149.73Save 25%compared to  $200.00Members use code LABORDAY2025 for an extra 20% off at REI OutletSize Type:RegularREI OUTLET
- IcebreakerMerino 260 Vertex Long-Sleeve Crewe Thermal Base Layer Top - Women's$99.73Save 28%compared to  $140.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Kari TraaRose Light High-Waisted Base Layer Pants - Women's$82.73Save 24%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize 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
- IcebreakerMerino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$84.73Save 26%compared to  $115.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:Regular, PlusREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Macro Forms Base Layer Top - Women's$85.73Save 25%compared to  $115.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaFryd Base Layer Pants - Women's$42.73Save 22% - 28%compared to  $55.00 - $60.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Icebreaker200 ZoneKnit Thermal Base Layer Leggings - Women's$109.73Save 26%compared to  $150.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Icebreaker200 Oasis Sonebula Base Layer Leggings - Women's$89.73Save 25%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaRose Light Half-Zip Base Layer Top - Women's$89.73Save 25%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Oasis Long-Sleeve Base Layer Crew Top - Kids'Top Rated$41.93Save 30%compared to  $60.00Underwear Weight:MidweightSize Type:Regular
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Women's$84.73Save 26%compared to  $115.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Women's$93.73Save 25%compared to  $125.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaKlara High-Waisted Base Layer Pants - Women's$66.73Save 25%compared to  $90.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Icebreaker200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top - Women's$89.73Save 25%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaVoss Cashmere Mix Half-Zip Base Layer Top - Women's$116.73Save 35%compared to  $180.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaFloke Base Layer Pants - Women's$64.73Save 35%compared to  $100.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaAlma Hood Base Layer Top - Women's$59.73Save 25%compared to  $80.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:UltralightweightSize Type:RegularREI OUTLET
- Kari TraaLucie Base Layer Pants - Women's$58.73Save 26%compared to  $80.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaRose High-Waist Base Layer Pants - Women's$79.73Save 27%compared to  $110.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaFierce Base Layer Pants - Women's$46.73Save 29%compared to  $66.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaLucie Half-Zip Base Layer Top - Women's$67.73Save 24%compared to  $90.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaAlma Base Layer Pants - Women's$52.73Save 24%compared to  $70.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:UltralightweightSize Type:RegularREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Kids'$52.73Save 29%compared to  $75.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
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