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Smartwool Base Layer Deals

(37 products)
Products (37)
Sort: Best Match
    Top Rated
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
    $66.93 - $90.00
    64 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    SmartwoolClassic All-Season Merino T-Shirt - Men's
    $59.93 - $80.00
    69 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $62.93 - $90.00
    116 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $85.93 - $115.00
    1506 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    SmartwoolClassic All-Season Merino T-Shirt - Women's
    $59.93 - $80.00
    85 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $59.83 - $115.00
    1149 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $81.73
    Save 28%
    compared to  $115.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    247 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Plus, Regular
    REI OUTLET
    SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's
    $70.93 - $95.00
    3 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $81.73
    Save 28%
    compared to  $115.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    367 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    SmartwoolIntraknit Active Base Layer Bottoms - Women's
    $79.93
    Save 27%
    compared to  $110.00
    6 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $59.83 - $120.00
    28 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    SmartwoolIntraknit Active Long-Sleeve Base Layer Top - Women's
    $79.93
    Save 27%
    compared to  $110.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
    $48.73
    Save 25%
    compared to  $65.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    52 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's
    $92.73
    Save 28%
    compared to  $130.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    27 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'
    $44.73
    Save 31%
    compared to  $65.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    5 reviews with an average rating of 3.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's
    $66.73
    Save 25%
    compared to  $90.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    64 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Active Base Layer Bottoms - Women's
    $76.73
    Save 30%
    compared to  $110.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    1 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    120 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $85.73
    Save 25%
    compared to  $115.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    276 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic Thermal Merino Lettuce Edge Crew Base Layer Top - Women's
    $82.73
    Save 28%
    compared to  $115.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's
    $100.73
    Save 25%
    compared to  $135.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Kids'
    $51.73
    Save 26%
    compared to  $70.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
    $33.83
    Save 62%
    compared to  $90.00
    95 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus
    SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    48 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Active Base Layer Bottoms - Men's
    $81.73
    Save 25%
    compared to  $110.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    2 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    18 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'
    $51.73
    Save 31%
    compared to  $75.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    3 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic Thermal Merino Lettuce Edge Base Layer Bottoms - Women's
    $82.73
    Save 28%
    compared to  $115.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's
    $123.73
    Save 25%
    compared to  $165.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Size Type:
    Regular
    REI OUTLET
1–30 of 37 products
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