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Long Sleeve Base Layers
(259 products)Products (259)
Sort: Best Match
- Sale Ends Nov 25
SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
$97.49Save 25%compared to  $130.00Underwear Weight:MidweightSize Type:Regular - Sale Ends Nov 25
SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
$104.99Save 25%compared to  $140.00Underwear Weight:MidweightSize Type:Regular, Big - Sale Ends Nov 25Top Rated
REI Co-opLightweight Base Layer Crew Top - Kids'
$20.89Save 30%compared to  $29.95Underwear Weight:LightweightSize Type:Regular - Sale Ends Nov 25
SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
$71.19Save 25%compared to  $95.00Size Type:Regular - Sale Ends Nov 25
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Cloud Dye Base Layer Top - Women's
$86.19Save 25%compared to  $115.00Underwear Weight:MidweightSize Type:Regular - Sale Ends Nov 25Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall Sizes
$55.89Save 30%compared to  $79.95Underwear Weight:LightweightSize Type:Tall, Big - Sale Ends Nov 25
Kari TraaSara Long-Sleeve Base Layer Top - Women's
$74.99Save 25%compared to  $100.00Underwear Weight:HeavyweightSize Type:Regular - Sale Ends Nov 25Top Rated
REI Co-opLightweight Crew Base Layer Top - Infants'/Toddlers'
$13.89Save 30%compared to  $19.95Underwear Weight:LightweightSize Type:Regular - Sale Ends Nov 25
Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Men's
$86.19Save 25%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, Big - Sale Ends Nov 25
SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's
$104.99Save 25%compared to  $140.00Size Type:Regular - Sale Ends Nov 25
REI Co-opMidweight Base Layer Zip-Neck Top - Kids'
$27.89Save 30%compared to  $39.95Underwear Weight:MidweightSize Type:Regular - Sale Ends Nov 25Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall Sizes
$62.89Save 30%compared to  $89.95Underwear Weight:LightweightSize Type:Tall, Big - Sale Ends Nov 25
Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Women's
$86.19Save 25%compared to  $115.00Underwear Weight:LightweightSize Type:Regular - Sale Ends Nov 25Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
$93.69Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, Big - Sale Ends Nov 25
Kari TraaFaith Half-Zip Base Layer Top - Women's
$89.99Save 25%compared to  $120.00Underwear Weight:HeavyweightSize Type:Regular - Sale Ends Nov 25
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women's
$101.19Save 25%compared to  $135.00Underwear Weight:MidweightSize Type:Regular - Sale Ends Today
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
$64.73Save 52%compared to  $135.00Size Type:RegularREI OUTLET - Sale Ends Nov 25
SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's
$108.69Save 25%compared to  $145.00Size Type:Regular - Sale Ends Nov 25Top Rated
Wild RyeHailey Half-Zip Base Layer Top - Women's
$101.19Save 25%compared to  $135.00Underwear Weight:MidweightSize Type:Regular, Plus - Sale Ends Nov 25
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Men's
$101.19Save 25%compared to  $135.00Underwear Weight:MidweightSize Type:Regular, Big - Sale Ends Nov 25Top Rated
Nani SwimwearUinta Base Layer Top - Women's
$63.69Save 20%compared to  $80.00Underwear Weight:MidweightSize Type:Regular, Plus - Sale Ends Nov 25Top Rated
Wild RyeEvie Raglan Base Layer Top - Women's
$93.69Save 25%compared to  $125.00Underwear Weight:LightweightSize Type:Regular, Plus - Sale Ends Nov 25
IcebreakerMerino 200 Sonebula Long-Sleeve Crew Base Layer Top - Women's
$89.99Save 25%compared to  $120.00Underwear Weight:LightweightSize Type:Regular - Sale Ends Nov 25
IcebreakerMerino 200 Oasis Long-Sleeve Base Layer Crew Top - Kids'
$44.99Save 25%compared to  $60.00Underwear Weight:MidweightSize Type:Regular - Sale Ends Nov 25
IcebreakerMerino 260 Tech Long-Sleeve Turtleneck Base Layer - Men's
$101.19Save 25%compared to  $135.00Underwear Weight:MidweightSize Type:Regular, Big - Sale Ends Nov 25
Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
$112.49Save 25%compared to  $150.00Underwear Weight:MidweightSize Type:Regular - Sale Ends Nov 25
Kari TraaLucie Long-Sleeve Base Layer Top - Women's
$71.19Save 25%compared to  $95.00Underwear Weight:LightweightSize Type:Regular - Sale Ends Nov 25
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes
$62.89Save 30%compared to  $89.95Underwear Weight:LightweightSize Type:Plus - Sale Ends Nov 25
SmartwoolIntraknit Active Long-Sleeve Base Layer Top - Women's
$82.49Save 25%compared to  $110.00Underwear Weight:MidweightSize Type:Regular - Sale Ends Nov 25New arrival
IcebreakerMerino Blend 260 ZoneKnit Seamless Long-Sleeve Crew Base Layer Top - Women's
$112.49Save 25%compared to  $150.00Underwear Weight:MidweightSize Type:Regular
31–60 of 259 products
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