Skip to search results
loaded 71 results
Long Sleeve Men's Underwear
(71 products)Products (71)
Sort: Best Match
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$49.83 - $104.95Underwear Weight:HeavyweightSize 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 REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95Underwear Weight:LightweightSize Type:Regular, Big- Top Rated
SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
$69.83 - $140.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall tasc PerformanceElevation Merino T-Shirt - Men's
$49.73 - $54.73Save 30% - 37%compared to  $79.00Underwear Weight:LightweightSize Type:Regular, BigREI OUTLETREI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$49.83 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Big- Top Rated
PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$89.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
$59.83 - $120.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$56.83 - $115.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
$99.00Underwear Weight:MidweightSize Type:Regular, Big REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
$39.95Underwear Weight:LightweightSize Type:Regular, Big, Tall- Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$89.95Underwear 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 Quarter-Zip Base Layer Top - Men's
$95.00Underwear Weight:MidweightSize Type:Regular, Big- Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$105.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
Arc'teryxIonia Merino Wool Base Layer Hoody - Men's
$140.00Underwear Weight:MidweightSize Type:Regular, Big - Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
$125.00Underwear Weight:HeavyweightSize Type:Regular, Big Arms of Andes300 Lightweight Alpaca Wool Half-Zip Base Layer Top - Men's
$135.00Underwear Weight:LightweightSize Type:Regular, BigPatagoniaCapilene Thermal Weight Zip-Neck Top - Men's
$109.00Underwear Weight:HeavyweightSize Type:RegularIcebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's
$125.00Underwear Weight:LightweightSize Type:Regular, BigArms of Andes300 Alpaca Wool Long-Sleeve Crew Base Layer Top - Men's
$130.00Underwear Weight:LightweightSize Type:Regular, BigArms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's
$85.00Underwear Weight:UltralightweightSize Type:Regular, Big- Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Men's
$135.00Underwear Weight:MidweightSize Type:Regular, Big REI Co-opLightweight Half-Zip Base Layer Top - Men's
$44.95Underwear Weight:LightweightSize Type:Regular, Big, Tall- Top Rated
Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Men's
$115.00Underwear Weight:MidweightSize Type:Regular, Big PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's
$99.00Underwear Weight:HeavyweightSize Type:RegularOrtovox230 Competition Zip-Neck Base Layer Top - Men's
$120.00Underwear Weight:MidweightSize Type:Regular, BigSmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
$64.83 - $130.00Underwear Weight:MidweightSize Type:Regular, BigOrtovox185 Merino Rock'n'wool Long-Sleeve Base Layer Top - Men's
$110.00Underwear Weight:MidweightSize Type:Regular, Big
1–30 of 71 products
Sort: Best Match