Skip to search results
loaded 185 results
Base Layer Tops: Deals
(185 products)Products (185)
Sort: Best Match
- Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
$72.93 - $105.00Underwear Weight:MidweightSize Type:Regular, Plus - Top Rated
tasc PerformanceElevation Merino T-Shirt - Women's
$54.73Save 30%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET ArtilectBoulder 125 Crew Base Layer Top - Men's
$35.83Save 70%compared to  $120.00Underwear Weight:LightweightSize Type:Regular, BigArtilectDarkhorse 185 Zoned Crew Base Layer Top - Men's
$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLETArc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's
$112.93Save 19%compared to  $140.00Underwear Weight:MidweightSize Type:Big, RegularArtilectDarkhorse 185 Zoned Crew Base Layer Top - Women's
$109.73Save 31%compared to  $160.00Underwear Weight:MidweightSize Type:RegularREI OUTLETREI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$69.93 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Big, TallTerramar3.0 Thermawool Crew Base Layer Top - Women's
$49.73 - $52.73Save 24% - 28%compared to  $70.00Underwear Weight:MidweightSize Type:RegularREI OUTLET- Top Rated
Arc'teryxRho LT Base Layer Hoody - Men's
$96.93Save 19%compared to  $120.00Underwear Weight:LightweightSize Type:Regular, Big tasc PerformanceElevation Merino T-Shirt - Men's
$54.73Save 30%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLET- Top Rated
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Women's Plus Sizes
$9.83 - $11.83Save 70% - 75%compared to  $39.95Underwear Weight:LightweightSize Type:Plus - Top Rated
Icebreaker125 ZoneKnit Merino Long-Sleeve Crewe Thermal Top - Men's
$93.73Save 25%compared to  $125.00Underwear Weight:UltralightweightSize Type:Regular, BigREI OUTLET - Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's
$62.93 - $89.95Underwear Weight:LightweightSize Type:Regular Helly HansenLIFA ACTIVE Graphic Crew Base Layer Top - Women's
$46.73Save 28%compared to  $65.00Underwear Weight:LightweightSize Type:RegularREI OUTLETTerramar1.0 All-Season Lightweight Merino Wool T-Shirt - Women's
$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:RegularREI OUTLETCraftCORE Dry Active Comfort Base Layer Top - Women's
$39.73Save 38%compared to  $64.95Underwear Weight:MidweightSize Type:RegularREI OUTLETREI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
$39.83 - $79.95Underwear Weight:LightweightSize Type:RegularTerramar3.0 Altitude Heavyweight Crew Base Layer Top - Women's
$16.73Save 33%compared to  $25.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLETArtilectFlatiron 185 Base Layer Crew Top - Men's
$41.83Save 70%compared to  $140.00Underwear Weight:MidweightSize Type:RegularTerramar1.0 All-Season Lightweight Merino Wool T-Shirt - Men's
$34.73Save 30%compared to  $50.00Underwear Weight:LightweightSize Type:RegularREI OUTLETREI Co-opMidweight Long-Sleeve Base Layer Top - Women's
$26.83 - $54.95Underwear Weight:MidweightSize Type:Regular, PlusIcebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's
$36.83Save 70%compared to  $125.00Underwear Weight:LightweightSize Type:Regular, BigArtilectFlatiron 185 Quarter-Zip Base Layer Top - Men's
$47.83Save 70%compared to  $160.00Underwear Weight:MidweightSize Type:Regular- Top Rated
REI Co-opMerino 185 Base Layer Top - Women's
$34.83 - $69.95Underwear Weight:LightweightSize Type:Regular Helly HansenMerino Wool Base Layer Set - Kids'
$82.73Save 31%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLET- Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
$99.73Save 26%compared to  $135.00Underwear Weight:HeavyweightSize Type:Regular, PlusREI OUTLET - New arrival
Kari TraaLucie Half-Zip Base Layer Top - Women's
$67.73Save 24%compared to  $90.00Underwear Weight:LightweightSize Type:RegularREI OUTLET - New arrival
Kari TraaMina Long-Sleeve Base Layer Top - Women's
$44.73Save 25%compared to  $60.00Underwear Weight:LightweightSize Type:RegularREI OUTLET Kari TraaSmekker Long-Sleeve Base Layer Top - Women's
$89.73Save 25%compared to  $120.00Underwear Weight:LightweightSize Type:RegularREI OUTLET- New arrival
Kari TraaAlma Hood Base Layer Top - Women's
$59.73Save 25%compared to  $80.00Underwear Weight:UltralightweightSize Type:RegularREI OUTLET
1–30 of 185 products
Sort: Best Match