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Long Sleeve Underwear
(197 products)Products (197)
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- SpraywayEffra Hoody Base Layer Top - Women's$49.73Save 28%compared to  $69.95Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- KUHLReactiv Lite Grid Quarter-Zip Base Layer Top - Women'sTop Rated$58.83Save 50%compared to  $119.00Underwear Weight:LightweightSize Type:Regular
- ArtilectDarkhorse 185 Zoned Quarter-Zip Base Layer Top - Women's$84.73Save 50%compared to  $170.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Wild RyeBassett LITE Raglan Base Layer Top - Women's$109.00Underwear Weight:LightweightSize Type:Regular, Plus
- CraftCORE Dry Active Comfort Base Layer Top - Women's$39.73Save 38%compared to  $64.95Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenGraphic Lifa Merino Base Layer Set - Kids'$74.73Save 32%compared to  $110.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- Kari TraaAlma Half-Zip Base Layer Top - Women's$100.00Underwear Weight:UltralightweightSize Type:Regular
- Ortovox185 Rock'N'Wool Long-Sleeve Base Layer Top - Men's$120.00 - $130.00Underwear Weight:LightweightSize Type:Regular, Big
- Kari TraaLucie Half-Zip Base Layer Top - Women's$66.73Save 25%compared to  $90.00Underwear Weight:LightweightSize Type:RegularREI OUTLET
- KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Men's$109.00Underwear Weight:LightweightSize Type:Regular, Big
- Arc'teryxIonia Merino Wool Long-Sleeve Base Layer Top - Men'sNew arrival$120.00Underwear Weight:MidweightSize Type:Regular, Big
- Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's$150.00 - $155.00Underwear Weight:MidweightSize Type:Regular
- KUHLReactiv Lite Grid Quarter-Zip Base Layer Top - Men's$119.00Underwear Weight:LightweightSize Type:Regular, Big
- Hot ChillysOriginals Print Base Layer Crew - Kids'$39.73Save 27%compared to  $55.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Ortovox230 Competition Long-Sleeve Base Layer Top - Men's$110.00Underwear Weight:MidweightSize Type:Regular, Big
- Hot ChillysOriginals Solid Base Layer Crew - Kids'$34.73Save 26%compared to  $47.50Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaFryd Long-Sleeve Base Layer Top - Women's$49.73Save 23%compared to  $65.00Underwear Weight:LightweightSize Type:PlusREI OUTLET
- Helly HansenLIFA Merino Midweight 2-in-1 Graphic Half-Zip Base Layer Top - Women's$79.93Save 33%compared to  $120.00Underwear Weight:MidweightSize Type:Regular
- Helly HansenLifa Merino Midweight Half-Zip Base Layer Top - Men's$79.93Save 30%compared to  $115.00Underwear Weight:MidweightSize Type:Big
- Ortovox185 Rock'N'Wool Zip Neck Base Layer Top - Men's$130.00Underwear Weight:LightweightSize Type:Regular, Big
- Wild RyeBassett Half-Zip Base Layer Top - Women's$139.00Underwear Weight:MidweightSize Type:Regular
- Arms of Andes300 Lightweight Alpaca Wool Pullover Base Layer Hoodie - Women's$69.83Save 50%compared to  $140.00Underwear Weight:LightweightSize Type:Regular
- Helly HansenLifa Merino Midweight Base Layer Half-Zip Top - Women's$79.93 - $110.00Underwear Weight:MidweightSize Type:Regular
- Hootie HooTorrent Layering Fleece Base Layer Set - Toddler's$51.93Save 30%compared to  $75.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaFaith Half-Zip Base Layer Top - Women's$86.73Save 27%compared to  $120.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
- ArtilectFlatiron 185 Quarter-Zip Base Layer Top - Women's$87.73Save 45%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLET
- Helly HansenLIFA Merino Midweight Graphic Base Layer Crew Top - Women's$69.93 - $110.00Underwear Weight:MidweightSize Type:Regular
- Kari TraaAlma Hood Base Layer Top - Women's$59.73Save 25%compared to  $80.00Underwear Weight:UltralightweightSize Type:RegularREI OUTLET
- FP MovementCoast to Coast Onesie Base Layer - Women's$83.83Save 50%compared to  $168.00Underwear Weight:MidweightSize Type:Regular
- BurtonFleece Base Layer Set - Kids'$48.93Save 30%compared to  $69.95Underwear Weight:MidweightSize Type:Regular
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