Shop down merino wool synthetic base layer

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$44.90
Women's 100% Merino Wool All-Season Long Sleeve Base Layer In Sea Spray Green, Size XL, Merino/Cotton By Quince
Quince
Free shipping
$44.90
Women's 100% Merino Wool All-Season Long Sleeve Base Layer In Sea Spray Green, Size XL, Merino/Cotton By Quince
Quince
Free shipping
$115.00
Men's Long Sleeve Top Merino Crew | Navy | Size Small | Unbound Merino
Unbound Merino
$115.00
Men's Long Sleeve Top Merino Crew | Navy | Size Small | Unbound Merino
Unbound Merino
$39.90
Men's 100% Merino Wool All-Season Short Sleeve Base Layer T-Shirt In Green, Size Large, Merino/Cotton By Quince
Quince
Free shipping
$39.90
Men's 100% Merino Wool All-Season Short Sleeve Base Layer T-Shirt In Green, Size Large, Merino/Cotton By Quince
Quince
Free shipping
$59.89
$79.95
REI Co-Op Men's Merino 185 Long-Sleeve Base Layer Top Black L
REI
25% off
$59.89
$79.95
REI Co-Op Men's Merino 185 Long-Sleeve Base Layer Top Black L
REI
$44.90
Men's 100% Merino Wool All-Season Long Sleeve Base Layer T-Shirt In Navy, Size Small, Merino/Cotton By Quince
Quince
Free shipping
$44.90
Men's 100% Merino Wool All-Season Long Sleeve Base Layer T-Shirt In Navy, Size Small, Merino/Cotton By Quince
Quince
Free shipping
$59.89
$79.95
REI Co-Op Men's Merino 185 Long-Sleeve Base Layer Top Night Cove/Midnight Navy XL
REI
25% off
$59.89
$79.95
REI Co-Op Men's Merino 185 Long-Sleeve Base Layer Top Night Cove/Midnight Navy XL
REI
$120.00
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top Black L
REI
104
Free shipping
$120.00
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top Black L
REI
104
$99.99
$129.99
Merino.Tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
Amazon.com
1K+
Free shipping
23% off
$99.99
$129.99
Merino.Tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
Amazon.com
1K+
$115.00
Women's Rib Turtle Neck Long Sleeve Top | Fossil | Size Small | Unbound Merino
Unbound Merino
$115.00
Women's Rib Turtle Neck Long Sleeve Top | Fossil | Size Small | Unbound Merino
Unbound Merino
$47.49
$94.99
EMS Merino Womens Long Sleeve Baselayer Top GREY / 14
EMS
50% off
$47.49
$94.99
EMS Merino Womens Long Sleeve Baselayer Top GREY / 14
EMS
$105.00
$125.00
Men's Long Sleeve Top Merino Henley | Forest | Size 2XL | Unbound Merino
Unbound Merino
16% off
$105.00
$125.00
Men's Long Sleeve Top Merino Henley | Forest | Size 2XL | Unbound Merino
Unbound Merino
$53.99
Merino Wool Base Layer Boxer Shorts For Men (Small, 2 Pack - Black)
Amazon.com
592
Free shipping
$53.99
Merino Wool Base Layer Boxer Shorts For Men (Small, 2 Pack - Black)
Amazon.com
592
$58.99
$84.99
Merino.Tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite With Socks
Amazon.com
3K+
Free shipping
30% off
$58.99
$84.99
Merino.Tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite With Socks
Amazon.com
3K+
$47.49
$94.99
EMS Mens Merino Long Sleeve Baselayer Top BLACK / S
EMS
50% off
$47.49
$94.99
EMS Mens Merino Long Sleeve Baselayer Top BLACK / S
EMS
$128.00
Lululemon Wool-Blend Base Layer Tight 28" - Size L - Light Ivory/Black
lululemon
Free shipping
$128.00
Lululemon Wool-Blend Base Layer Tight 28" - Size L - Light Ivory/Black
lululemon
Free shipping
$128.00
Lululemon Wool-Blend Base Layer Tight 28" - Size L - Black/Light Ivory
lululemon
Free shipping
$128.00
Lululemon Wool-Blend Base Layer Tight 28" - Size L - Black/Light Ivory
lululemon
Free shipping
$51.99
$81.81
Odlo Merino 200 Pocket Long Sleeve Base Layer Brown M Boy 554612-30910-M
Trekkinn
36% off
$51.99
$81.81
Odlo Merino 200 Pocket Long Sleeve Base Layer Brown M Boy 554612-30910-M
Trekkinn
$150.00
Intraknit Thermal Merino Crew Baselayer - Women's
Backcountry.com
$150.00
Intraknit Thermal Merino Crew Baselayer - Women's
Backcountry.com
$79.99
Killik Men's Merino Long Sleeve Base Layer Shirt - Dark Green L By Sportsman's Warehouse
Sportsman's Warehouse
$79.99
Killik Men's Merino Long Sleeve Base Layer Shirt - Dark Green L By Sportsman's Warehouse
Sportsman's Warehouse
$130.00
Smartwool Intraknit Thermal Merino Base Layer Crew - Women's Mink/Terracotta Medium SW019284Q33100M000
Optics Planet
$130.00
Smartwool Intraknit Thermal Merino Base Layer Crew - Women's Mink/Terracotta Medium SW019284Q33100M000
Optics Planet
$130.00
Men's Smartwool Intraknit Merino 200 Long Sleeve Base Layer Medium Black
Scheels
$130.00
Men's Smartwool Intraknit Merino 200 Long Sleeve Base Layer Medium Black
Scheels
$44.95
Thermal Alpaca Baselayer Bottoms Female / LG/XL / Charcoal
Purely Alpaca
$44.95
Thermal Alpaca Baselayer Bottoms Female / LG/XL / Charcoal
Purely Alpaca
$105.00
Icebreaker Oasis Long Sleeve Merino Wool Base Layer Tee In Java At Nordstrom, Size Large
Nordstrom
$105.00
Icebreaker Oasis Long Sleeve Merino Wool Base Layer Tee In Java At Nordstrom, Size Large
Nordstrom
$79.99
Cabela's Instinct Merino Wool Full-Length Bottoms For Men - Flint - S
Cabela's
$79.99
Cabela's Instinct Merino Wool Full-Length Bottoms For Men - Flint - S
Cabela's
$37.49
$74.99
EMS Merino Mens Baselayer Pant BLACK / XS
EMS
50% off
$37.49
$74.99
EMS Merino Mens Baselayer Pant BLACK / XS
EMS
$100.00
Smartwool Classic Thermal Long Sleeve Merino Wool Base Layer T-Shirt In Coral Reef At Nordstrom, Size Medium
Nordstrom
$100.00
Smartwool Classic Thermal Long Sleeve Merino Wool Base Layer T-Shirt In Coral Reef At Nordstrom, Size Medium
Nordstrom
$125.00
Smartwool Merino 250 Base Layer Crew Top In Light Gray Color Shift At Nordstrom, Size Medium
Nordstrom
1K+
$125.00
Smartwool Merino 250 Base Layer Crew Top In Light Gray Color Shift At Nordstrom, Size Medium
Nordstrom
1K+
$254.00
Women's Blue Mens Midweight Merino Activewear Base Layer Zeus Top - Navy Blazer | Medium | Paul James Knitwear
Wolf & Badger - UK
Free shipping
$254.00
Women's Blue Mens Midweight Merino Activewear Base Layer Zeus Top - Navy Blazer | Medium | Paul James Knitwear
Wolf & Badger - UK
Free shipping
$99.98
Women's 100% Merino Wool Base Layer V Neck Long Sleeve Shirt For Hiking Travel
eBay
Free shipping
$99.98
Women's 100% Merino Wool Base Layer V Neck Long Sleeve Shirt For Hiking Travel
eBay
Free shipping
$15.00
Unisex Merino Wool Blend Baselayer | Ororo® Black / Crewneck / M
OROROWEAR
$15.00
Unisex Merino Wool Blend Baselayer | Ororo® Black / Crewneck / M
OROROWEAR
$84.00
$120.00
Outdoor Research Men's Alpine Onset Merino 240 Crew Black / M
Outdoor Research
30% off
$84.00
$120.00
Outdoor Research Men's Alpine Onset Merino 240 Crew Black / M
Outdoor Research
$64.95
Women's Merino Wool Thermal Long Underwear Top - Black - Large - The Vermont Country Store
Vermont Country Store
$64.95
Women's Merino Wool Thermal Long Underwear Top - Black - Large - The Vermont Country Store
Vermont Country Store
$84.00
$120.00
Outdoor Research Men's Alpine Onset Merino 240 Crew Harbor / M
Outdoor Research
30% off
$84.00
$120.00
Outdoor Research Men's Alpine Onset Merino 240 Crew Harbor / M
Outdoor Research
$79.99
Cabela's Instinct Merino Wool Full-Length Bottoms For Men - Flint - 3XL
Cabela's
$79.99
Cabela's Instinct Merino Wool Full-Length Bottoms For Men - Flint - 3XL
Cabela's
$100.00
Rapha Merino Lightweight Short-Sleeve Base Layer - Men's Black/Black, S
Competitive Cyclist
$100.00
Rapha Merino Lightweight Short-Sleeve Base Layer - Men's Black/Black, S
Competitive Cyclist
$89.00
Womens Outbound Merino Wool Short-Sleeve T-Shirt | True Navy | Size Large | Wool/Nylon | Orvis
Orvis
$89.00
Womens Outbound Merino Wool Short-Sleeve T-Shirt | True Navy | Size Large | Wool/Nylon | Orvis
Orvis
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Shop down merino wool synthetic base layer

Sponsored
About our ads
$44.90
Women's 100% Merino Wool All-Season Long Sleeve Base Layer In Sea Spray Green, Size XL, Merino/Cotton By Quince
Quince
Free shipping
$44.90
Women's 100% Merino Wool All-Season Long Sleeve Base Layer In Sea Spray Green, Size XL, Merino/Cotton By Quince
Quince
Free shipping
$115.00
Men's Long Sleeve Top Merino Crew | Navy | Size Small | Unbound Merino
Unbound Merino
$115.00
Men's Long Sleeve Top Merino Crew | Navy | Size Small | Unbound Merino
Unbound Merino
$39.90
Men's 100% Merino Wool All-Season Short Sleeve Base Layer T-Shirt In Green, Size Large, Merino/Cotton By Quince
Quince
Free shipping
$39.90
Men's 100% Merino Wool All-Season Short Sleeve Base Layer T-Shirt In Green, Size Large, Merino/Cotton By Quince
Quince
Free shipping
$59.89
$79.95
REI Co-Op Men's Merino 185 Long-Sleeve Base Layer Top Black L
REI
25% off
$59.89
$79.95
REI Co-Op Men's Merino 185 Long-Sleeve Base Layer Top Black L
REI
$44.90
Men's 100% Merino Wool All-Season Long Sleeve Base Layer T-Shirt In Navy, Size Small, Merino/Cotton By Quince
Quince
Free shipping
$44.90
Men's 100% Merino Wool All-Season Long Sleeve Base Layer T-Shirt In Navy, Size Small, Merino/Cotton By Quince
Quince
Free shipping
$59.89
$79.95
REI Co-Op Men's Merino 185 Long-Sleeve Base Layer Top Night Cove/Midnight Navy XL
REI
25% off
$59.89
$79.95
REI Co-Op Men's Merino 185 Long-Sleeve Base Layer Top Night Cove/Midnight Navy XL
REI
$120.00
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top Black L
REI
104
Free shipping
$120.00
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top Black L
REI
104
$99.99
$129.99
Merino.Tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
Amazon.com
1K+
Free shipping
23% off
$99.99
$129.99
Merino.Tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
Amazon.com
1K+
$115.00
Women's Rib Turtle Neck Long Sleeve Top | Fossil | Size Small | Unbound Merino
Unbound Merino
$115.00
Women's Rib Turtle Neck Long Sleeve Top | Fossil | Size Small | Unbound Merino
Unbound Merino
$47.49
$94.99
EMS Merino Womens Long Sleeve Baselayer Top GREY / 14
EMS
50% off
$47.49
$94.99
EMS Merino Womens Long Sleeve Baselayer Top GREY / 14
EMS
$105.00
$125.00
Men's Long Sleeve Top Merino Henley | Forest | Size 2XL | Unbound Merino
Unbound Merino
16% off
$105.00
$125.00
Men's Long Sleeve Top Merino Henley | Forest | Size 2XL | Unbound Merino
Unbound Merino
$53.99
Merino Wool Base Layer Boxer Shorts For Men (Small, 2 Pack - Black)
Amazon.com
592
Free shipping
$53.99
Merino Wool Base Layer Boxer Shorts For Men (Small, 2 Pack - Black)
Amazon.com
592
$58.99
$84.99
Merino.Tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite With Socks
Amazon.com
3K+
Free shipping
30% off
$58.99
$84.99
Merino.Tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite With Socks
Amazon.com
3K+
$47.49
$94.99
EMS Mens Merino Long Sleeve Baselayer Top BLACK / S
EMS
50% off
$47.49
$94.99
EMS Mens Merino Long Sleeve Baselayer Top BLACK / S
EMS
$128.00
Lululemon Wool-Blend Base Layer Tight 28" - Size L - Light Ivory/Black
lululemon
Free shipping
$128.00
Lululemon Wool-Blend Base Layer Tight 28" - Size L - Light Ivory/Black
lululemon
Free shipping
$128.00
Lululemon Wool-Blend Base Layer Tight 28" - Size L - Black/Light Ivory
lululemon
Free shipping
$128.00
Lululemon Wool-Blend Base Layer Tight 28" - Size L - Black/Light Ivory
lululemon
Free shipping
$51.99
$81.81
Odlo Merino 200 Pocket Long Sleeve Base Layer Brown M Boy 554612-30910-M
Trekkinn
36% off
$51.99
$81.81
Odlo Merino 200 Pocket Long Sleeve Base Layer Brown M Boy 554612-30910-M
Trekkinn
$150.00
Intraknit Thermal Merino Crew Baselayer - Women's
Backcountry.com
$150.00
Intraknit Thermal Merino Crew Baselayer - Women's
Backcountry.com