Skip to search results
loaded 137 results
Base Layer Tops: Deals
(137 products)Products (137)
Sort: Best Match
- Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
$72.93 - $105.00Underwear Weight:MidweightSize Type:Regular, Plus - New arrival
Terramar3.0 Altitude Heavyweight Crew Base Layer Top - Women's
$16.73Save 33%compared to  $25.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Women's
$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
ArtilectBoulder 125 Quarter-Zip Base Layer Top - Men's
$64.83Save 50%compared to  $130.00Underwear Weight:LightweightSize Type:Regular Terramar3.0 Thermawool Crew Base Layer Top - Women's
$49.73 - $52.73Save 24% - 28%compared to  $70.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
$68.93 - $99.00Underwear Weight:MidweightSize Type:Regular, Big - New arrival
Terramar2.0 Ultra Merino Turtleneck Base Layer Top - Women's
$52.73Save 29%compared to  $75.00Underwear Weight:MidweightSize Type:RegularREI OUTLET - New arrival
Terramar1.0 All-Season Lightweight Merino Wool T-Shirt - Men's
$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET Terramar3.0 Thermawool Half-Zip Base Layer Top - Women's
$56.73Save 24%compared to  $75.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
Icebreaker125 ZoneKnit Merino Long-Sleeve Crewe Thermal Top - Men's
$86.73Save 30%compared to  $125.00Underwear Weight:UltralightweightSize Type:RegularREI OUTLET - New arrival
Terramar1.0 All-Season Lightweight Merino Wool T-Shirt - Women's
$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:RegularREI OUTLET - Top Rated
PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$61.93 - $89.00Underwear Weight:MidweightSize Type:Regular, Big - New arrival
Terramar4.0 Genesis Crew Base Layer Top - Women's
$24.73Save 29%compared to  $35.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET - Top Rated
tasc PerformanceElevation Merino T-Shirt - Women's
$54.73Save 30%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
$86.93Save 30%compared to  $125.00Underwear Weight:LightweightSize Type:Regulartasc PerformanceElevation Merino T-Shirt - Men's
$54.73Save 30%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET- Top Rated
Helly HansenLifa Merino Midweight Graphic Base Layer Top - Women's
$79.73 - $82.73Save 24% - 27%compared to  $110.00Underwear Weight:MidweightSize Type:RegularREI OUTLET REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's Tall Sizes
$19.83Save 50%compared to  $39.95Underwear Weight:LightweightSize Type:TallSeirusHeatwave Body Mapped Quarter-Zip Long-Sleeve Base Layer Top - Women's
$69.83Save 50%compared to  $140.00Underwear Weight:MidweightSize Type:RegularSmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Men's
$90.73Save 30%compared to  $130.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLETCraftActive Intensity Zip Base Layer Top - Women's
$54.73Save 31%compared to  $79.95Underwear Weight:LightweightSize Type:RegularREI OUTLETHelly HansenMerino Wool Base Layer Set - Kids'
$82.73Save 31%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLETSmartwoolClassic Thermal Merino Lettuce Edge Crew Base Layer Top - Women's
$82.73Save 28%compared to  $115.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
ArtilectFlatiron 185 Base Layer Crew Top - Men's
$69.83Save 50%compared to  $140.00Underwear Weight:MidweightSize Type:Regular Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's
$104.73Save 30%compared to  $150.00Underwear Weight:MidweightSize Type:RegularREI OUTLETArtilectBoulder 125 Crew Base Layer Top - Men's
$59.83Save 50%compared to  $120.00Underwear Weight:LightweightSize Type:Regular, Big- Top Rated
IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men's
$89.73Save 25%compared to  $120.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET SpraywayEffra Hoody Base Layer Top - Women's
$49.73Save 28%compared to  $69.95Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLETHelly HansenLIFA ACTIVE Graphic Crew Base Layer Top - Women's
$46.73Save 28%compared to  $65.00Underwear Weight:LightweightSize Type:RegularREI OUTLETSpraywayEffra Crew Base Layer Top - Women's
$36.73Save 26%compared to  $49.95Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET
1–30 of 137 products
Sort: Best Match