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Icebreaker Base Layers
(58 products)Products (58)
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- Sale Ends Dec 29IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$78.69Save 25%compared to  $105.00Underwear Weight:MidweightSize Type:Regular, Big
- Sale Ends Dec 29IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women'sTop Rated$78.69Save 25%compared to  $105.00Underwear Weight:MidweightSize Type:Regular, Plus
- Sale Ends Dec 29IcebreakerMerino 200 Oasis Base Layer Leggings with Fly - Men'sTop Rated$78.69Save 25%compared to  $105.00Underwear Weight:MidweightSize Type:Regular, Big
- Sale Ends Dec 29IcebreakerMerino 200 Oasis Thermal Leggings - Women'sTop Rated$78.69Save 25%compared to  $105.00Underwear Weight:MidweightSize Type:Regular, Plus
- Sale Ends Dec 29Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women'sTop Rated$93.69Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, Plus
- Sale Ends Dec 29Icebreaker260 Tech Base Layer Leggings - Women'sTop Rated$93.69Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, Plus
- Sale Ends Dec 29Icebreaker260 Merino Tech Thermal Leggings with Fly - Men'sTop Rated$93.69Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Sale Ends Dec 29IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men'sTop Rated$93.69Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Sale Ends Dec 29Icebreaker260 Tech High-Rise Base Layer Leggings - Women'sTop Rated$93.69Save 25%compared to  $125.00Underwear Weight:MidweightSize Type:Regular
- Sale Ends Dec 29Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$86.19Save 25%compared to  $115.00Underwear Weight:LightweightSize Type:Regular, Plus
- Sale Ends Dec 29IcebreakerMerino 125 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$67.49Save 50%compared to  $135.00Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- Sale Ends Dec 29IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Men's$101.19Save 25%compared to  $135.00Underwear Weight:MidweightSize Type:Regular, Big
- Sale Ends Dec 29IcebreakerMerino 200 Oasis High-Rise Base Layer Leggings - Women's$86.19Save 25%compared to  $115.00Underwear Weight:MidweightSize Type:Regular
- Sale Ends Dec 29Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Men'sTop Rated$86.19Save 25%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, Big
- Sale Ends Dec 29IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$67.49Save 50%compared to  $135.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- Icebreaker260 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women'sTop Rated$119.73Save 27%compared to  $165.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Sale Ends Dec 29IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's$79.99Save 50%compared to  $160.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Sale Ends Dec 29IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men'sTop Rated$51.99Save 50%compared to  $105.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Sale Ends Dec 29IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$101.19Save 25%compared to  $135.00Underwear Weight:MidweightSize Type:Regular, Plus
- Sale Ends Dec 29Icebreaker200 Oasis Crewe Base Layer Top - Men's$71.19Save 25%compared to  $95.00Underwear Weight:MidweightSize Type:Regular, Big
- Sale Ends Dec 29IcebreakerSiren Sweetheart Long Underwear Top - Women's$63.69Save 25%compared to  $85.00Underwear Weight:LightweightSize Type:Regular
- Sale Ends Dec 29Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Women's$62.49Save 50%compared to  $125.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'Top Rated$60.00Underwear Weight:MidweightSize Type:Regular
- Sale Ends Dec 29Icebreaker300 MerinoFine Polar Long-Sleeve Half-Zip Thermal Base Layer Top - Men's$187.49Save 25%compared to  $250.00Underwear Weight:HeavyweightSize Type:Regular
- Sale Ends Dec 29Icebreaker125 ZoneKnit Merino Long-Sleeve Crewe Thermal Top - Men'sTop Rated$62.49Save 50%compared to  $125.00Underwear Weight:UltralightweightSize Type:RegularREI OUTLET
- IcebreakerMerino Blend 300 RealFleece Descender Long-Sleeve Zip Base Layer Top - Women'sTop Rated$230.00Underwear Weight:HeavyweightSize Type:Regular
- Icebreaker260 Tech Thermal Base Layer Leggings - Kids'Top Rated$70.00Underwear Weight:MidweightSize Type:Regular
- Sale Ends Dec 29Icebreaker150 Anatomica Crewe Base Layer Top - Men'sTop Rated$56.19Save 25%compared to  $75.00Underwear Weight:LightweightSize Type:Regular, Big
- Sale Ends Dec 29IcebreakerMerino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top - Women's$69.99Save 50%compared to  $140.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Sale Ends Dec 29IcebreakerMerino Base Layer Leggings - Women's$99.99Save 50%compared to  $200.00Size Type:RegularREI OUTLET
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