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Heavyweight Base Layers
(61 products)Products (61)
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- REI Co-opHeavyweight Merino Base Layer Bottoms - Women'sTop Rated$99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's$99.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women'sTop Rated$99.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Base Layer Bottoms - Men's$99.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women'sTop Rated$104.95Underwear Weight:HeavyweightSize Type:Regular, Plus
- REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's$104.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- Arc'teryxKyanite Base Layer Bottoms - Women's$96.73Save 19%compared to  $120.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Kari TraaRose Half-Zip Base Layer Top - Women'sTop Rated$89.73Save 25%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- Kari TraaSara Half-Zip Base Layer Top - Women'sNew arrival$79.73Save 27%compared to  $110.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Icebreaker260 Tech Base Layer Leggings - Women's$125.00Underwear Weight:HeavyweightSize Type:Regular, Plus
- Arc'teryxRho SV Zip-Neck Base Layer Top - Men's$140.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women'sTop Rated$125.00Underwear Weight:HeavyweightSize Type:Regular, Plus
- IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men'sTop Rated$125.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Icebreaker260 Merino Tech Thermal Leggings with Fly - Men'sTop Rated$125.00Underwear Weight:HeavyweightSize Type:Regular, Big
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women'sTop Rated$99.73Save 26%compared to  $135.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's$99.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Helly HansenGraphic Lifa Merino Base Layer Set - Kids'$74.73Save 32%compared to  $110.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Arc'teryxRho Insulated 3/4 Base Layer Bottoms - Men'sTop Rated$159.73Save 20%compared to  $200.00Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET
- Kari TraaSara Base Layer Pants - Women's$74.73Save 25%compared to  $100.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's$100.73Save 25%compared to  $135.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Kari TraaSara Long-Sleeve Base Layer Top - Women's$74.73Save 25%compared to  $100.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Kari TraaRose Long-Sleeve Base Layer Top - Women's$79.73Save 27%compared to  $110.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
- Arc'teryxKyanite Base Layer Bottoms - Women'sTop Rated$120.00Underwear Weight:HeavyweightSize Type:Regular, Plus
- PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's$99.00Underwear Weight:HeavyweightSize Type:Regular, Big
- PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's$109.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Arc'teryxRho SV Base Layer Bottoms - Men's$120.00Underwear Weight:HeavyweightSize Type:Regular, Big
- Kari TraaFaith Half-Zip Base Layer Top - Women'sNew arrival$86.73Save 27%compared to  $120.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- PatagoniaCapilene Thermal Weight Long Underwear Bottoms - Women's$99.00Underwear Weight:HeavyweightSize Type:Regular
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men's$99.73Save 26%compared to  $135.00Underwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET
- PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's$109.00Underwear Weight:HeavyweightSize Type:Regular
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