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Women's Base Layer Tops
(113 products)Products (113)
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- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Women's$84.73Save 26%compared to  $115.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Women's$62.93 - $74.93Save 25%compared to  $85.00 - $100.00Underwear Weight:UltralightweightSize Type:Regular
- Kari TraaAlma Half-Zip Base Layer Top - Women's$100.00Underwear Weight:UltralightweightSize Type:Regular
- Wild RyeBassett LITE Raglan Base Layer Top - Women's$78.93Save 20%compared to  $99.00Underwear Weight:LightweightSize Type:Regular, Plus
- IcebreakerMerino Blend 300 RealFleece Descender Long-Sleeve Zip Base Layer Top - Women'sTop Rated$230.00Underwear Weight:HeavyweightSize Type:Regular
- PatagoniaCapilene Midweight Crew Base Layer Top - Kids'New arrival$28.73Save 26%compared to  $39.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:Regular, Plus, BigREI OUTLET
- Helly HansenVerglas Half-Zip Top - Women's$63.73Save 25%compared to  $85.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- PatagoniaCapilene Thermal Weight Zip-Neck Base Layer Top - Women's$81.73Save 25%compared to  $109.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$73.73Save 25%compared to  $99.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Arms of Andes300 Lightweight Alpaca Wool Half-Zip Base Layer Top - Women's$85.93 - $100.93Save 25%compared to  $115.00 - $135.00Underwear Weight:LightweightSize Type:Regular
- Kari TraaEmbla Wool Base Layer T-Shirt - Women's$80.00Underwear Weight:UltralightweightSize Type:Regular
- Kari TraaAlma T-Shirt - Women's$80.00Underwear Weight:LightweightSize Type:Regular
- ArtilectBoulder 125 Crew Long-Sleeve Base Layer Top - Women's$65.73Save 45%compared to  $120.00Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Wild RyeBassett Half-Zip Base Layer Top - Women's$107.93Save 20%compared to  $135.00Underwear Weight:MidweightSize Type:Regular
- Icebreaker125 Cool-Lite Merino Blend Sphere III Scoop T-Shirt - Women's$90.00Underwear Weight:LightweightSize Type:Regular
- IcebreakerMerino 260 ZoneKnit Half-Zip Base Layer Top - Women's$128.93Save 30%compared to  $185.00Underwear Weight:HeavyweightSize Type:Regular
- Arms of Andes300 Lightweight Alpaca Wool Pullover Base Layer Hoodie - Women's$104.93Save 25%compared to  $140.00Underwear Weight:LightweightSize Type:Regular
- Helly HansenLIFA Merino Midweight Graphic Base Layer Crew Top - Women's$110.00 - $115.00Underwear Weight:MidweightSize Type:Regular
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's$150.00Underwear Weight:MidweightSize Type:Regular
- Helly HansenLIFA Merino Midweight 2-in-1 Graphic Half-Zip Base Layer Top - Women's$120.00Underwear Weight:MidweightSize Type:Regular
- Arc'teryxLana Merino Wool Crew Base Layer Top - Women's$44.83 - $90.00Underwear Weight:LightweightSize Type:Regular, Plus
- Helly HansenLifa Merino Midweight Base Layer Half-Zip Top - Women's$110.00 - $115.00Underwear Weight:MidweightSize Type:Regular
- Arc'teryxLana Merino Wool Base Layer Tank Top - Women's$44.83Save 50%compared to  $90.00Underwear Weight:LightweightSize Type:Regular, Plus
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