Skip to search results
loaded 356 results
Moisture Wicking Underwear
(356 products)Products (356)
Sort: Best Match
- IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Base Layer Top - Women'sTop Rated$93.73Save 25%compared to  $125.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Kari TraaRose Light Half-Zip Base Layer Top - Women's$89.73Save 25%compared to  $120.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerMerino 260 Tech Thermal Base Layer Leggings - Women'sTop Rated$93.73Save 25%compared to  $125.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:HeavyweightSize Type:PlusREI OUTLET
- Free CountryMicrotech Heat Cocaber Base Layer Bottoms - Women's$34.73Save 30%compared to  $50.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Icebreaker125 ZoneKnit Merino Thermal Leggings - Men's$93.73Save 25%compared to  $125.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:UltralightweightSize Type:Regular, BigREI OUTLET
- Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men's$112.73Save 19%compared to  $140.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:HeavyweightSize Type:BigREI OUTLET
- Ortovox230 Competition Long-Sleeve Base Layer Top - Men's$110.00Underwear Weight:MidweightSize Type:Regular, Big
- Helly HansenGraphic Lifa Merino Base Layer Set - Kids'$74.73Save 32%compared to  $110.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET
- PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's$74.73Save 24%compared to  $99.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- Ortovox185 Rock'n'wool Long Base Layer Pants - Men's$110.00Underwear Weight:MidweightSize Type:Big
- IcebreakerMerino 260 Tech Thermal Base Layer Leggings - Kids'Top Rated$49.73Save 28%compared to  $70.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:HeavyweightSize Type:RegularREI OUTLET
- IcebreakerMerino 260 Tech Thermal Base Layer Leggings With Fly - Men'sTop Rated$93.73Save 25%compared to  $125.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET
- ArtilectBoulder 125 Crew Long-Sleeve Base Layer Top - Women's$75.73Save 36%compared to  $120.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- NRSH2Core Lightweight Union Suit - Men's$109.95Underwear Weight:LightweightSize Type:Regular
- ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Men'sTop Rated$109.73Save 31%compared to  $160.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Women's$84.73Save 26%compared to  $115.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Kari TraaFierce Base Layer Pants - Women's$39.73Save 39%compared to  $66.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Ortovox230 Competition Long Base Layer Pants - Men's$100.00Underwear Weight:MidweightSize Type:Regular, Big
- CotopaxiLiso Base Layer Top - Men'sTop Rated$44.73Save 31%compared to  $65.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:BigREI OUTLET
- ArtilectFlatiron 185 Quarter-Zip Base Layer Top - Women's$99.73Save 37%compared to  $160.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
- IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men'sTop Rated$89.73Save 25%compared to  $120.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- Icebreaker200 Oasis Sonebula Long-Sleeve Crewe Base Layer Top - Women's$89.73Save 25%compared to  $120.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Women's$93.73Save 25%compared to  $125.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:LightweightSize Type:RegularREI OUTLET
- IcebreakerMerino Base Layer Leggings - Women's$149.73Save 25%compared to  $200.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletSize Type:RegularREI OUTLET
- Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Men'sTop Rated$109.73Save 26%compared to  $150.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- ArtilectFlatiron 185 Crew Base Layer Top - Men's$96.73 - $109.73Save 30% - 31%compared to  $140.00 - $160.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- SaxxRoast Master Midweight Base Layer Bottoms - Men's$52.73Save 29%compared to  $75.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men'sTop Rated$99.73Save 26%compared to  $135.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:HeavyweightSize Type:Regular, BigREI OUTLET
- The North FaceSummit Pro 120 Base Layer Tights - Women's$100.00Underwear Weight:MidweightSize Type:Regular
- Icebreaker200 ZoneKnit Thermal Base Layer Leggings - Women's$109.73Save 26%compared to  $150.00Members use code OUT4JUL25 for $20 off $100+ at REI OutletUnderwear Weight:MidweightSize Type:RegularREI OUTLET
271–300 of 356 products
Sort: Best Match