Skip to search results
loaded 192 results
Midweight Base Layers
(192 products)Products (192)
Sort: Best Match
- SmartwoolIntraknit Active Base Layer Bottoms - Men's$81.73Save 25%compared to  $110.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:Big, RegularREI OUTLET
- Arc'teryxRho Base Layer Bottoms - Women's$79.73Save 20%compared to  $100.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Terramar3.0 Thermawool Base Layer Tights - Women's$52.73Save 24%compared to  $70.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaMalia Half-Zip Base Layer Top - Women's$59.73Save 25%compared to  $80.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:PlusREI OUTLET
- Hot ChillysOriginals Solid Base Layer Crew - Kids'$34.73Save 26%compared to  $47.50Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Men'sTop Rated$95.73Save 40%compared to  $160.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Quarter-Zip Top - Kids'$70.00Underwear Weight:MidweightSize Type:Regular
- HalfdaysHallie Midweight Merino Base Layer Leggings - Women'sTop Rated$130.00Underwear Weight:MidweightSize Type:Regular
- Sale Ends Dec 8IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women'sTop Rated$101.19Save 25%compared to  $135.00Underwear Weight:MidweightSize Type:Regular, Plus
- Kari TraaVilma Half-Zip Base Layer Top - Women's$74.73Save 25%compared to  $100.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Terramar2.0 Cloud Nine Midweight Performance Thermal Turtleneck - Women's$26.73Save 44%compared to  $48.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Graphic Base Layer Pants - Women's$79.73Save 27%compared to  $110.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Picture Organic ClothingNangha Base Layer Top - Men's$44.83Save 50%compared to  $90.00Underwear Weight:MidweightSize Type:Regular
- Helly HansenLIFA Merino Midweight 2-In-1 Graphic Half-Zip Base Layer Top - Women's$86.73Save 27%compared to  $120.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Sale Ends Dec 1SmartwoolIntraknit Merino 3/4 Base Layer Bottoms - Women's$89.99Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaVilma Long-Sleeve Base Layer Top - Women's$66.73Save 25%compared to  $90.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Hot ChillysOriginals Solid Base Layer Pants - Kids'$34.73Save 26%compared to  $47.50Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Lettuce Edge Crew Base Layer Top - Women's$82.73Save 28%compared to  $115.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Graphic Crew Base Layer - Women's$79.73Save 27%compared to  $110.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Sale Ends Dec 1SmartwoolClassic Thermal Merino Base Layer Crew One-Piece - Men's$187.49Save 25%compared to  $250.00Underwear Weight:MidweightSize Type:Regular, Big
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$99.00Underwear Weight:MidweightSize Type:Regular
- SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's$96.73Save 25%compared to  $130.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Terramar3.0 Thermawool Half-Zip Base Layer Top - Women's$56.73Save 24%compared to  $75.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Thermal Base Layer Top - Women's$103.73Save 35%compared to  $160.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLifa Merino Midweight Base Layer Pants - Men's$105.00Underwear Weight:MidweightSize Type:Regular, Big
- Kari TraaRose Light Capri Base Layer Pants - Women's$74.73Save 25%compared to  $100.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaVilma Base Layer Pants - Women's$66.73Save 25%compared to  $90.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaEdith Long-Sleeve Base Layer Top - Women's$74.73Save 25%compared to  $100.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Lettuce Edge Base Layer Bottoms - Women's$82.73Save 28%compared to  $115.00Members use code CYBER2025 to save an extra 25% on this item, thru 12/1Underwear Weight:MidweightSize Type:RegularREI OUTLET
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes$86.19 - $120.00Underwear Weight:MidweightSize Type:Plus
91–120 of 192 products
Sort: Best Match