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Base Layer Gear on Sale

2,880 Total Items
Blocker Outdoors
60%
off
Outdoor Pursuit Merino Base Bottom-Magnet-X-Large
$47.99  $119.99
Outdoor Pursuit Merino Base Bottom-Magnet-X-Large
Blocker Outdoors
60%
off
Outdoor Pursuit Merino Base Bottom-Magnet-2X-Large
$47.99  $119.99
Outdoor Pursuit Merino Base Bottom-Magnet-2X-Large
Blocker Outdoors
60%
off
Outdoor Pursuit Merino Base 1/4 Zip Top-X-Large-Magnet
$51.99  $129.99
Outdoor Pursuit Merino Base 1/4 Zip Top-X-Large-Magnet
Blocker Outdoors
60%
off
Outdoor Pursuit Merino Base 1/4 Zip Top-2X-Large-Magnet
$51.99  $129.99
Outdoor Pursuit Merino Base 1/4 Zip Top-2X-Large-Magnet
evo
57%
off
evo Midweight Base Layer Crew Top Men's 2025 in Green size Large | Spandex/Polyester
$25.49  $59.95
evo Midweight Base Layer Crew Top Men's 2025 in Green size Large | Spandex/Polyester
REI.com
56%
off
Icebreaker Men's 200 ZoneKnit Merino Long-Sleeve Half-Zip Thermal Base Layer Top
$69.73  $160.00
Icebreaker Men's 200 ZoneKnit Merino Long-Sleeve Half-Zip Thermal Base Layer Top
REI.com
56%
off
Icebreaker Women's Merino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top
$49.73  $115.00
Icebreaker Women's Merino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top
REI.com
56%
off
Icebreaker Men's Merino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top
$49.73  $115.00
Icebreaker Men's Merino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top
REI.com
56%
off
Icebreaker Women's Merino 260 Vertex Long-Sleeve Half-Zip Natural Shades Base Layer Top
$64.73  $150.00
Icebreaker Women's Merino 260 Vertex Long-Sleeve Half-Zip Natural Shades Base Layer Top
REI.com
56%
off
Icebreaker Women's Merino 260 Vertex Long-Sleeve Half-Zip Glacial Flow Base Layer Top
$64.73  $150.00
Icebreaker Women's Merino 260 Vertex Long-Sleeve Half-Zip Glacial Flow Base Layer Top
Nashbar
56%
off
Castelli Pro Issue Short Sleeve Base Layer (White) (XS)
$26.49  $59.99
Castelli Pro Issue Short Sleeve Base Layer (White) (XS)
REI.com
55%
off
Icebreaker Men's Merino 200 Sonebula Long-Sleeve Half-Zip Hood Base Layer Top
$66.73  $150.00
Icebreaker Men's Merino 200 Sonebula Long-Sleeve Half-Zip Hood Base Layer Top
REI.com
55%
off
Icebreaker Women's Merino 200 Sonebula Long-Sleeve Half-Zip Hood Base Layer Top
$66.73  $150.00
Icebreaker Women's Merino 200 Sonebula Long-Sleeve Half-Zip Hood Base Layer Top
UtahSkis
55%
off
Falke Quarter Zip Base Layer Top 2022
$53.53  $119.95
Falke Quarter Zip Base Layer Top 2022
REI.com
55%
off
Smartwool Men's Intraknit Thermal Max Merino Quarter-Zip Base Layer Top
$69.73  $155.00
Smartwool Men's Intraknit Thermal Max Merino Quarter-Zip Base Layer Top
REI.com
54%
off
Smartwool Women's Classic Thermal Merino Colorblock Quarter-Zip Base Layer Top
$56.73  $125.00
Smartwool Women's Classic Thermal Merino Colorblock Quarter-Zip Base Layer Top
REI.com
54%
off
Icebreaker Merino 260 Tech Long-Sleeve Half-Zip Thermal Top
$31.73  $70.00
Icebreaker Merino 260 Tech Long-Sleeve Half-Zip Thermal Top
REI.com
53%
off
Icebreaker Merino 260 Tech Long-Sleeve Half-Zip Thermal Top
$34.73  $75.00
Icebreaker Merino 260 Tech Long-Sleeve Half-Zip Thermal Top
Performance Bike
53%
off
Pearl Izumi Women's Merino Thermal Long Sleeve Base Layer (Phantom) (L)
$51.39  $110.00
Pearl Izumi Women's Merino Thermal Long Sleeve Base Layer (Phantom) (L)
Nashbar
53%
off
Mons Royale Men's Cascade Merino Flex Base Layer Legging (Black) (XL)
$51.99  $110.00
Mons Royale Men's Cascade Merino Flex Base Layer Legging (Black) (XL)
Nashbar
53%
off
Pearl Izumi Women's Merino Thermal Long Sleeve Base Layer (Phantom) (L)
$51.39  $110.00
Pearl Izumi Women's Merino Thermal Long Sleeve Base Layer (Phantom) (L)
Nashbar
53%
off
Endura Transloft Long Sleeve Base Layer (Black) (M)
$30.54  $64.99
Endura Transloft Long Sleeve Base Layer (Black) (M)
Nashbar
53%
off
Endura Transloft Long Sleeve Base Layer (Black) (XL)
$30.54  $64.99
Endura Transloft Long Sleeve Base Layer (Black) (XL)
REI.com
52%
off
Icebreaker Women's Merino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top
$64.73  $135.00
Icebreaker Women's Merino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top
REI.com
52%
off
Icebreaker Men's Merino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top
$64.73  $135.00
Icebreaker Men's Merino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top
CampSaver.com
52%
off
Smartwool Classic All-Season Merino Base Layer Long Sleeve Plus - Women's Natural 1X
$42.57  $90.00
Smartwool Classic All-Season Merino Base Layer Long Sleeve Plus - Women's Natural 1X
REI.com
51%
off
Kari Traa Women's Fryd Base Layer Pants
$26.83  $55.00
Kari Traa Women's Fryd Base Layer Pants
REI.com
50%
off
Ortovox Women's 120 Cool Tec Fast Upward Base Layer T-Shirt
$44.83  $90.00
Ortovox Women's 120 Cool Tec Fast Upward Base Layer T-Shirt
REI.com
50%
off
Ortovox Women's 185 Merino Rock'n'wool Base Layer Top
$49.83  $100.00
Ortovox Women's 185 Merino Rock'n'wool Base Layer Top
REI.com
50%
off
Ortovox Women's 185 Rock'n'wool Long Base Layer Pants
$54.83  $110.00
Ortovox Women's 185 Rock'n'wool Long Base Layer Pants
REI.com
50%
off
Burton Women's Midweight X Base Layer Pants
$36.83  $74.95
Burton Women's Midweight X Base Layer Pants
Sportsman's Guide
50%
off
ScentLok Men's Climafleece Base Layer Top Terra Gila
$49.99  $99.99
ScentLok Men's Climafleece Base Layer Top Terra Gila
Sportsman's Guide
50%
off
ScentLok Men's Climafleece Base Layer Bottoms Terra Gila
$49.99  $99.99
ScentLok Men's Climafleece Base Layer Bottoms Terra Gila
CampSaver.com
50%
off
Smartwool Intraknit Thermal Merino Base Layer Crew - Womens Pewter Blue/Marmalade Extra Large
$64.97  $130.00
Smartwool Intraknit Thermal Merino Base Layer Crew - Womens Pewter Blue/Marmalade Extra Large
CampSaver.com
50%
off
Smartwool Intraknit Thermal Merino Base Layer Crew - Womens Pewter Blue/Marmalade Extra Small
$64.97  $130.00
Smartwool Intraknit Thermal Merino Base Layer Crew - Womens Pewter Blue/Marmalade Extra Small
Sportsman's Guide
50%
off
Guide Gear Men's Heavyweight Fleece Base Layer Quarter Zip Top
$14.99  $29.99
Guide Gear Men's Heavyweight Fleece Base Layer Quarter Zip Top
Sportsman's Guide
50%
off
Guide Gear Men's Heavyweight Fleece Base Layer Union Suit
$14.99  $29.99
Guide Gear Men's Heavyweight Fleece Base Layer Union Suit
Christy Sports
50%
off
Helly Hansen St. Moritz Wool 2.0 Base Layer womens | Multi Black | Small | Christy Sports
$125.00  $250.00
Helly Hansen St. Moritz Wool 2.0 Base Layer womens | Multi Black | Small | Christy Sports
Christy Sports
50%
off
Picture Pagaya Printed High Fleece Base Layer Womens | Multi Sage | Large | Christy Sports
$47.50  $95.00
Picture Pagaya Printed High Fleece Base Layer Womens | Multi Sage | Large | Christy Sports
Christy Sports
50%
off
Roxy Daybreak Technical Base Layer Leggings Womens | Multi Black | Medium | Christy Sports
$29.97  $59.95
Roxy Daybreak Technical Base Layer Leggings Womens | Multi Black | Medium | Christy Sports
Christy Sports
50%
off
Smartwool Intraknit(TM) Thermal Merino Base Layer Crew Top Mens | Multi Blue | X-Large | Christy Sports
$62.50  $125.00
Smartwool Intraknit(TM) Thermal Merino Base Layer Crew Top Mens | Multi Blue | X-Large | Christy Sports
Christy Sports
50%
off
Smartwool Merino Base Layer Pattern 1/4 Zip Plus | Multi Black | 3X-Large | Christy Sports
$57.50  $115.00
Smartwool Merino Base Layer Pattern 1/4 Zip Plus | Multi Black | 3X-Large | Christy Sports
Christy Sports
50%
off
Smartwool Classic Thermal Merino Base Layer Bottom Plus Womens | Navy | 3X-Large | Christy Sports
$50.00  $100.00
Smartwool Classic Thermal Merino Base Layer Bottom Plus Womens | Navy | 3X-Large | Christy Sports
Christy Sports
50%
off
Smartwool Merino 150 Base Layer Bottom Mens | Black | Small | Christy Sports
$42.50  $85.00
Smartwool Merino 150 Base Layer Bottom Mens | Black | Small | Christy Sports
Christy Sports
50%
off
Smartwool Merino 150 Lace Base Layer Top Womens | Black | Medium | Christy Sports
$42.50  $85.00
Smartwool Merino 150 Lace Base Layer Top Womens | Black | Medium | Christy Sports
Performance Bike
50%
off
Pearl Izumi Women's Merino Thermal Long Sleeve Base Layer (Phantom) (S)
$55.00  $110.00
Pearl Izumi Women's Merino Thermal Long Sleeve Base Layer (Phantom) (S)
Nashbar
50%
off
Endura BaaBaa Blend Long Sleeve Base Layer (Black) (2XL)
$32.50  $64.99
Endura BaaBaa Blend Long Sleeve Base Layer (Black) (2XL)
Nashbar
50%
off
Pearl Izumi Women's Merino Thermal Long Sleeve Base Layer (Phantom) (S)
$55.00  $110.00
Pearl Izumi Women's Merino Thermal Long Sleeve Base Layer (Phantom) (S)
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