Skip to search results
loaded 192 results
Long Sleeve Base Layers
(192 products)Products (192)
Sort: Best Match
REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
$54.95Underwear Weight:MidweightSize Type:Regular, Plus- Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall - Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Big, Tall - Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$56.83 - $115.00Underwear Weight:MidweightSize Type:Regular, Plus - Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$56.83 - $115.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
$83.93 - $120.00Underwear Weight:MidweightSize Type:Regular, Plus REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
$79.95Underwear Weight:LightweightSize Type:RegularREI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$49.83 - $104.95Underwear Weight:HeavyweightSize Type:Regular, Big, TallREI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
$39.95Underwear Weight:LightweightSize Type:Regular, Big, Tall- Top Rated
tasc PerformanceElevation Merino T-Shirt - Women's
$49.73 - $54.73Save 30% - 37%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, PlusREI OUTLET - Top Rated
REI Co-opMidweight Base Layer Crew Top - Kids'
$34.95Underwear Weight:MidweightSize Type:Regular REI Co-opMidweight Base Layer Half-Zip Top - Women's
$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Plus- Top Rated
SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
$69.83 - $140.00Underwear Weight:MidweightSize Type:Regular, Big REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
$39.95Underwear Weight:LightweightSize Type:Regular, PlusREI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$49.83 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Big- Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$89.95Underwear Weight:LightweightSize Type:Regular, Big REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95Underwear Weight:LightweightSize Type:Regular, Big- Top Rated
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$90.00Underwear Weight:LightweightSize Type:Regular, Big SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
$62.93 - $90.00Underwear Weight:LightweightSize Type:Regular, PlusSmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
$95.00Size Type:RegularREI Co-opLightweight Half-Zip Base Layer Top - Women's
$44.95Underwear Weight:LightweightSize Type:Regular, Plus- Top Rated
Arc'teryxRho Zip-Neck Base Layer Top - Women's
$120.00Underwear Weight:LightweightSize Type:Regular, Plus SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's
$95.00Underwear Weight:MidweightSize Type:Regular, Big- Top Rated
PatagoniaCapilene Midweight Crew Base Layer Top - Women's
$89.00Underwear Weight:MidweightSize Type:Regular, Plus - Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$105.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes
$44.83 - $89.95Underwear Weight:LightweightSize Type:Plus - Top Rated
Arc'teryxIonia Merino Wool Base Layer Hoody - Men's
$140.00Underwear Weight:MidweightSize Type:Regular, Big SmartwoolIntraknit Active Long-Sleeve Base Layer Top - Women's
$110.00Underwear Weight:MidweightSize Type:Regular- Top Rated
PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
$99.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
$125.00Underwear Weight:HeavyweightSize Type:Regular, Big
1–30 of 192 products
Sort: Best Match