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Long Sleeve Base Layers
(234 products)Products (234)
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- IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Thermal Base Layer Top - Women's$103.73Save 35%compared to  $160.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerSiren Sweetheart Long Underwear Top - Women's$85.00Underwear Weight:LightweightSize Type:Regular
- IcebreakerMerino Blend 260 ZoneKnit Seamless Long-Sleeve Crew Base Layer Top - Women's$150.00Underwear Weight:MidweightSize Type:Regular
- Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's$150.00Underwear Weight:MidweightSize Type:Regular, Plus
- Kari TraaSilja Half-Zip 2.0 Base Layer Top - Women's$120.00Underwear Weight:HeavyweightSize Type:Regular
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$140.00Underwear Weight:LightweightSize Type:Regular
- IcebreakerMerino 200 Oasis Long-Sleeve Crewe Base Layer Top - Women's$120.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaRose Half-Zip Base Layer Top - Women'sTop Rated$89.73Save 25%compared to  $120.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- Kari TraaSaga Half-Zip Base Layer Top - Women'sNew arrival$135.00Underwear Weight:HeavyweightSize Type:Regular
- Kari TraaKaia Base Layer Set - Women'sNew arrival$120.00Underwear Weight:LightweightSize Type:Regular
- Kari TraaAnna Half-Zip Base Layer Top - Women'sNew arrival$120.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaAnna Long-Sleeve Base Layer Top - Women'sNew arrival$110.00Underwear Weight:MidweightSize Type:Regular
- IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Base Layer Top - Women'sTop Rated$93.73Save 25%compared to  $125.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaSara Long-Sleeve Base Layer Top - Women'sNew arrival$74.73Save 25%compared to  $100.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Kari TraaSmekker Half-Zip Base Layer Top - Women's$89.73Save 30%compared to  $130.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaFryd Long-Sleeve Base Layer Top - Women's$44.73Save 25%compared to  $60.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:Regular, PlusREI OUTLET
- Kari TraaElse Half-Zip Base Layer Top - 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
- Kari TraaRose Light Base Layer Top - 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 TraaEloise Long-Sleeve Base Layer Top - Women'sNew arrival$52.73Save 24%compared to  $70.00Members use code LABORDAY2025 for an extra 20% off at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaEdith Long-Sleeve Base Layer Top - Women's$74.73Save 25%compared to  $100.00Members 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:Plus, RegularREI OUTLET
- Kari TraaVilma Long-Sleeve Base Layer Top - 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 TraaVilma Half-Zip Base Layer Top - 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 TraaEloise 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:LightweightSize Type:RegularREI OUTLET
211–234 of 234 products
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