Base Layer on Sale

45%

off

$29.83 $55.00

Halfdays Women's Marie Longline Base Layer Tank Top

45%

off

$49.50 $90.00

Giordana Ceramic Long Sleeve Base Layer (Grey) (S)

45%

off

$44.00 $80.00

Giordana Ceramic Short Sleeve Base Layer (Grey) (XL)

45%

off

$35.64 $64.99

Endura BaaBaa Blend Long Sleeve Base Layer (Black) (S)

Performance Bike

44%

off

$30.80 $55.00

Giordana x Performance FR-C Pro Sleeveless Base Layer (Black) (XL/2XL)

44%

off

$49.99 $89.95

Burton Midweight X Long Neck Hooded Base Layer Top 2024 in Blue size X-Small

CampSaver.com

43%

off

$75.99 $135.00

Smartwool Intraknit Thermal Merino Base Layer Colorblock 1/4 Zip - Women's K17 Black Cherry Large

43%

off

$36.73 $64.95

Craft Women's Active Intensity Base Layer

42%

off

$31.73 $54.95

Craft Women's Active Intensity Base Layer Pants

42%

off

$37.59 $64.99

Endura BaaBaa Blend Long Sleeve Base Layer (Black) (L)

CampSaver.com

42%

off

$65.99 $115.00

Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Women's K40 Black Cherry Heather Small

42%

off

$59.99 $105.00

Women's Icebreaker 200 Oasis Base Layer Crew Top 2024 in Green size Large | Wool

CampSaver.com

41%

off

$63.99 $110.00

Smartwool Classic Thermal Merino Base Layer Crew - Men's G37 Acorn Heather Medium

41%

off

$69.99 $120.00

Women's Smartwool Classic Thermal Base Layer 1/4 Zip Top 2026 in Black size X-Small

Christy Sports

41%

off

$90.95 $155.00

Smartwool Intraknit(TM) Thermal Max Merino Base Layer 1/4 Zip Mens | Black | X-Large | Christy Sports

Gravity Coalition

41%

off

$64.97 $110.00

smartwool-merino-250-base-layer-pattern-bottom-womens

Gravity Coalition

41%

off

$64.97 $110.00

smartwool-merino-250-base-layer-pattern-crew-womens

41%

off

$75.73 $130.00

Smartwool Men's Intraknit Thermal Merino Pattern Crew Base Layer Top

41%

off

$38.39 $64.99

Endura BaaBaa Blend Long Sleeve Base Layer (Black) (XL)

41%

off

$49.83 $85.00

Halfdays Women's Sophia Base Layer Leggings

41%

off

$69.83 $120.00

Arc'teryx Men's Ionia Merino Wool Long-Sleeve Base Layer Top

40%

off

$38.73 $64.95

Craft Core Dry Active Comfort Long-Sleeve Base Layer Jersey

40%

off

$26.73 $45.00

Free Country Men's Force Grid Fleece Crew Base Layer Top

40%

off

$89.73 $150.00

Icebreaker Women's Merino 260 Vertex Long-Sleeve Half-Zip Herenga Base Layer Top

40%

off

$59.83 $100.00

Arc'teryx Men's Rho LT Crew Neck Base Layer Top

40%

off

$47.99 $79.99

Black Strap Therma Base Layer Bottom 2023

40%

off

$47.99 $79.99

Black Strap Therma Womens Base Layer Leggings 2023

40%

off

$84.00 $140.00

Smartwool Intraknit Thermal Merino 1/4 Zip Base Layer Top 2024

40%

off

$72.00 $120.00

Smartwool Intraknit Thermal Merino Base Layer 3/4 Bottom 2024

40%

off

$69.00 $115.00

Smartwool Classic Thermal Merino Base Layer Crew 2024

40%

off

$69.00 $115.00

Smartwool Classic Thermal Merino Colorblock Base Layer Crew 2024

40%

off

$69.00 $115.00

Smartwool Classic Thermal Merino Womens Base Layer Bottom 2024

40%

off

$69.00 $115.00

Smartwool Classic Thermal Merino Womens Base Layer Crew 2024

40%

off

$63.00 $105.00

Smartwool Classic Thermal Merino 3/4 Base Layer Bottom 2024

40%

off

$63.00 $105.00

Smartwool Classic Thermal Merino 3/4 Womens Base Layer Bottom 2024

40%

off

$53.99 $89.99

Black Strap Therma Hooded Base Layer Top 2023

40%

off

$21.00 $35.00

Patagonia Baby Micro DA(R) Fleece Bottoms Winter 2019

40%

off

$77.40 $129.00

Patagonia Women's Capilene Air Crew Winter 2019

40%

off

$41.40 $69.00

Patagonia Men's Capilene Midweight Zip-Neck Winter 2019

40%

off

$41.40 $69.00

Patagonia Women's Capilene Midweight Zip-Neck Winter 2019

40%

off

$35.40 $59.00

Patagonia Men's Capilene Midweight Bottoms Winter 2019

40%

off

$35.40 $59.00

Patagonia Women's Capilene Midweight Bottoms Winter 2019

40%

off

$64.73 $109.00

Wild Rye Women's Jane Leggings

Gravity Coalition

40%

off

$68.97 $115.00

smartwool-merino-250-base-layer-pattern-1-4-zip-womens

Backcountry.com

40%

off

$72.00 $120.00

Smartwool Classic Thermal Merino Colorblock Crew Base Layer - Men's Charcoal Heather/Black, XL

Backcountry.com

40%

off

$65.40 $109.00

WHITESPACE Merino Base Layer Pant - Women's Lilac Purple, M

Backcountry.com

40%

off

$30.00 $50.00

Reima Ladulle Base Layer Top - Boys' Red Orange, 6

40%

off

$35.97 $59.95

Airblaster Base Layer Top Men's 2025 in Black size Small