Skip to search results
loaded 55 results
Icebreaker Base Layer Tops
(55 products)Products (55)
Sort: Best Match
- Sale Ends Nov 25Top Rated
Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women's
$93.69Save 25%compared to  $125.00Underwear Weight:HeavyweightSize Type:Regular, Plus - 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 21
Icebreaker200 ZoneKnit Merino Long-Sleeve Half-Zip Thermal Base Layer Top - Men's
$69.73Save 56%compared to  $160.00Size Type:Regular, BigREI OUTLET - Sale Ends Nov 21
IcebreakerMerino 200 Oasis Long-Sleeve Half-Zip First Snow Thermal Base Layer Top - Men's
$49.73Save 60%compared to  $125.00Underwear Weight:MidweightSize Type:RegularREI OUTLET - Sale Ends Nov 25Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$78.69Save 25%compared to  $105.00Underwear Weight:MidweightSize Type:Regular, Big - Sale Ends Nov 21
IcebreakerMerino 260 Vertex Long-Sleeve Half-Zip Natural Shades Base Layer Top - Women's
$64.73Save 56%compared to  $150.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET - Sale Ends Nov 21
IcebreakerMerino 175 Everyday Long-Sleeve Half-Zip Base Layer Top - Men's
$49.73Save 47%compared to  $95.00Underwear Weight:LightweightSize Type:RegularREI OUTLET - 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 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
Icebreaker125 Cool-Lite Merino Blend Sphere III Scoop T-Shirt - Women's
$56.19Save 25%compared to  $75.00Underwear Weight:LightweightSize Type:Regular - Sale Ends Nov 25Top Rated
IcebreakerMerino 150 Tech Lite III Relaxed T-Shirt - Women's
$59.99Save 25%compared to  $80.00Underwear Weight:LightweightSize 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 Nov 25
Icebreaker200 Oasis Crewe Base Layer Top - Men's
$71.19Save 25%compared to  $95.00Underwear Weight:MidweightSize Type:Regular, Big - 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
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 25
IcebreakerMerino 260 Vertex Long-Sleeve Half-Zip Herenga Base Layer Top - Women's
$112.49Save 25%compared to  $150.00Underwear Weight:HeavyweightSize Type:Regular - 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
Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
$93.69Save 25%compared to  $125.00Underwear Weight:LightweightSize Type:Regular - 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 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 - Sale Ends Nov 25
Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's
$93.69Save 25%compared to  $125.00Underwear Weight:LightweightSize Type:Regular, Big - Sale Ends Nov 25
Icebreaker260 ZoneKnit Long-Sleeve Crewe Thermal Top - Men's
$123.69Save 25%compared to  $165.00Underwear Weight:HeavyweightSize Type:Regular, Big - Sale Ends Nov 25
IcebreakerMerino 150 Tech Lite III Skiing Yeti Base Layer T-Shirt - Men's
$63.69Save 25%compared to  $85.00Underwear Weight:LightweightSize Type:Regular - Sale Ends Nov 21
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 21
IcebreakerMerino 200 Sonebula Long-Sleeve Half-Zip Hood Base Layer Top - Men's
$66.73Save 55%compared to  $150.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET - Sale Ends Nov 25
Icebreakerx Protect Our Winters 200 Oasis Long-Sleeve Crew Base Layer Top - Men's
$86.19Save 25%compared to  $115.00Underwear Weight:MidweightSize Type:Regular, Big - Sale Ends Nov 25
Icebreaker260 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
$131.19Save 25%compared to  $175.00Underwear Weight:MidweightSize Type:Regular, Big - Sale Ends Nov 21
IcebreakerMerino 260 Vertex Long-Sleeve Half-Zip Glacial Flow Base Layer Top - Women's
$64.73Save 56%compared to  $150.00Underwear Weight:HeavyweightSize Type:RegularREI OUTLET
1–30 of 55 products
Sort: Best Match