Skip to search results
loaded 49 results

Heavyweight Base Layers

(49 products)
Products (49)
Remove underwear-weight filter:Heavyweight
Sort: Best Match
    REI Co-opHeavyweight Merino Base Layer Bottoms - Men's
    $99.95
    7 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
    $99.95
    20 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
    $99.95
    23 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's
    $99.95
    25 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
    $99.73
    Save 26%
    compared to  $135.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    27 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI OUTLET
    PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's
    $69.93 - $109.00
    21 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    Top Rated
    Kari TraaRose Half-Zip Base Layer Top - Women's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    48 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Top Rated
    Arc'teryxKyanite Base Layer Bottoms - Women's
    $96.73
    Save 19%
    compared to  $120.00
    14 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Arc'teryxRho Insulated 3/4 Base Layer Bottoms - Men's
    $159.73
    Save 20%
    compared to  $200.00
    12 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $104.95
    21 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    New arrival
    Kari TraaSara Base Layer Pants - Women's
    $74.73
    Save 25%
    compared to  $100.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    New arrival
    Kari TraaSara Long-Sleeve Base Layer Top - Women's
    $74.73
    Save 25%
    compared to  $100.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    PatagoniaCapilene Thermal Weight Long Underwear Bottoms - Women's
    $99.00
    13 reviews with an average rating of 3.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Icebreaker260 Tech Base Layer Leggings - Women's
    $125.00
    24 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's
    $100.73
    Save 25%
    compared to  $135.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women's
    $125.00
    37 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
    $104.95
    15 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    Arc'teryxRho Heavyweight Base Layer Bottoms - Men's
    $96.73
    Save 19%
    compared to  $120.00
    47 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 260 Tech Thermal Base Layer Leggings With Fly - Men's
    $93.73
    Save 25%
    compared to  $125.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    37 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    REI OUTLET
    SpraywayEffra Hoody Base Layer Top - Women's
    $49.73
    Save 28%
    compared to  $69.95
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's
    $109.00
    14 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Arc'teryxRho Hybrid Insulated Base Layer Bottoms - Women's
    $145.73
    Save 19%
    compared to  $180.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Top Rated
    IcebreakerMerino 260 Tech Thermal Base Layer Leggings - Kids'
    $49.73
    Save 28%
    compared to  $70.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    7 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's
    $99.00
    14 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Women's
    $99.00
    9 reviews with an average rating of 3.2 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's
    $99.00
    10 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
    $125.00
    58 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    Top Rated
    Arc'teryxKyanite Base Layer Bottoms - Women's
    $120.00
    14 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    SpraywayEffra Jacket Base Layer Top - Women's
    $42.73
    Save 34%
    compared to  $64.95
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    SpraywayEffra Crew Base Layer Top - Women's
    $36.73
    Save 26%
    compared to  $49.95
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI OUTLET
1–30 of 49 products
Sort: Best Match

Related Expert Advice articles