Merino Base Layer

Discover the ultimate comfort and performance with our merino base layer collection. Crafted from premium merino wool, these base layers offer exceptional warmth while remaining lightweight and breathable. Ideal for layering, they wick moisture away from the skin, keeping you dry and comfortable during any activity. With natural odor resistance and a soft feel, our merino base layers are perfect for outdoor adventures or everyday wear. Elevate your cold-weather gear with these versatile essentials designed to keep you cozy and active all season long.

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129 products
View:  4896All|129 Products
Smartwool Men's Intraknit Thermal Merino Base Layer Bottom
  • Black White

Smartwool Men's Intraknit Thermal Merino Base Layer Bottom

$130.00

SmartWool Women's Merino 150 Base Layer Bottoms
  • Black

SmartWool Women's Merino 150 Base Layer Bottoms

$90.00

Smartwool Men's Classic Thermal Merino Base Layer Crew Top
  • Black
  • Black Color Shift
  • Winter Moss Heather

Smartwool Men's Classic Thermal Merino Base Layer Crew Top

$115.00

Smartwool Men's Classic Thermal Merino Base Layer Bottoms
  • Deep Navy
  • Black
  • Charcoal Heather

Smartwool Men's Classic Thermal Merino Base Layer Bottoms

$115.00

SmartWool Merino 150 Base Layer Long Sleeve Shirt
  • Black

SmartWool Merino 150 Base Layer Long Sleeve Shirt

$90.00

Smartwool Men's Merino Classic All-Season Base Layer Long Sleeve
  • Black
  • Iron Heather

Smartwool Men's Merino Classic All-Season Base Layer Long Sleeve

$90.00

Smartwool Kids' Classic Thermal Merino Base Layer Bottom
  • Cascade Multi Stripe

Smartwool Kids' Classic Thermal Merino Base Layer Bottom

$64.95

Smartwool Kids' Classic Thermal Merino Base Layer Crew
  • Power Pink

Smartwool Kids' Classic Thermal Merino Base Layer Crew

$64.95

SmartWool Youth Classic Thermal ¼ Zip Base Layer
  • Charcoal Heather
  • Rhythmic Red

SmartWool Youth Classic Thermal ¼ Zip Base Layer

$65.00

Smartwool Men's Merino 250 Baselayer Bottom
  • Deep Navy
  • Black
  • Charcoal Heather

Smartwool Men's Merino 250 Baselayer Bottom

$115.00

Smartwool Men's Classic All-Season Merino Base Layer Long Sleeve Top
  • Iron Heather
  • Black

Smartwool Men's Classic All-Season Merino Base Layer Long Sleeve Top

$85.00

On Sale
Smartwool Women's Merino 150 Baselayer Bottom
  • Black

Smartwool Women's Merino 150 Baselayer Bottom

$85.00

WAS: $90.00*

Smartwool Men's Intraknit Thermal Max Merino Base Layer Three-Quarter Bottom
  • Black White

Smartwool Men's Intraknit Thermal Max Merino Base Layer Three-Quarter Bottom

$120.00

Smartwool Women's Merino 250 Baselayer Top

Smartwool Women's Merino 250 Baselayer Top

$115.00

Smartwool Men's Intraknit Thermal Merino Base Layer Crew Neck Long Sleeved T-Shirt
  • Black/White
  • Winter Moss

Smartwool Men's Intraknit Thermal Merino Base Layer Crew Neck Long Sleeved T-Shirt

$130.00

Smartwool Women's Intraknit Thermal Merino Crew Baselayer Top
  • Black/White

Smartwool Women's Intraknit Thermal Merino Crew Baselayer Top

$130.00

Smartwool Women's Classic Thermal Merino Baselayer Bottoms

Smartwool Women's Classic Thermal Merino Baselayer Bottoms

$115.00

Smartwool Men's Merino 250 1/4 Zip Baselayer Top

Smartwool Men's Merino 250 1/4 Zip Baselayer Top

$120.00

Smartwool Men's Classic All-Season Merino Base Layer 1/4 Zip Long Sleeve Top
  • Black

Smartwool Men's Classic All-Season Merino Base Layer 1/4 Zip Long Sleeve Top

$90.00

Smartwool Women's Merino 250 1/4 Zip Baselayer Top
  • Black
  • Almond Heather
  • Charcoal Heather

Smartwool Women's Merino 250 1/4 Zip Baselayer Top

$120.00

Smartwool Women's Intraknit Thermal Max Merino ¼ Zip Baselayer Top
  • Black

Smartwool Women's Intraknit Thermal Max Merino ¼ Zip Baselayer Top

$155.00

Smartwool Women's Merino 250 Pattern Crewneck Baselayer Top

Smartwool Women's Merino 250 Pattern Crewneck Baselayer Top

$110.00

Smartwool Men's Intraknit Thermal Merino Base Layer Colorblock Crew Neck T-Shirt
  • Charcoal/Winter Moss
  • Deep Navy/Twilight Blue

Smartwool Men's Intraknit Thermal Merino Base Layer Colorblock Crew Neck T-Shirt

$130.00

Smartwool Youth Merino 250 Baselayer Bottom
  • Power Pink

Smartwool Youth Merino 250 Baselayer Bottom

$60.00

Smartwool Men's Classic Thermal Merino Base Layer Pattern Quarter Zip Pullover
  • Deep Navy Color Shift
  • Charcoal Heather

Smartwool Men's Classic Thermal Merino Base Layer Pattern Quarter Zip Pullover

$120.00

Smartwool Women's Thermal Merino Rib Top
  • Black
  • Toasted Coconut Heather
  • Chalk Violet Heather

Smartwool Women's Thermal Merino Rib Top

$130.00

SmartWool Women's Intraknit Active Base Layer Bottoms
  • Black

SmartWool Women's Intraknit Active Base Layer Bottoms

$110.00

Smartwool Men's Merino 250 Baselayer Crewneck Shirt

Smartwool Men's Merino 250 Baselayer Crewneck Shirt

$115.00

Smartwool Men's Intraknit Thermal Merino Base Layer Colorblock Quarter-Zip Shirt
  • Shale Dune

Smartwool Men's Intraknit Thermal Merino Base Layer Colorblock Quarter-Zip Shirt

$135.00

Smartwool Men's Classic All-Season Merino Baselayer Bottoms
  • Black
  • Iron Heather

Smartwool Men's Classic All-Season Merino Baselayer Bottoms

$85.00

Smartwool Women's Classic Thermal Merino Baselayer Long Sleeve Shirt

Smartwool Women's Classic Thermal Merino Baselayer Long Sleeve Shirt

$115.00

Smartwool Women's Intraknit Thermal Merino Pattern Baselayer Top
  • Deep Navy
  • Black

Smartwool Women's Intraknit Thermal Merino Pattern Baselayer Top

$130.00

Smartwool Women's Merino 250 Pattern 1/4 Zip Baselayer Shirt
  • Jade Marble

Smartwool Women's Merino 250 Pattern 1/4 Zip Baselayer Shirt

$115.00

SmartWool Women's Intraknit Active Base Layer Long Sleeve Shirt
  • Black

SmartWool Women's Intraknit Active Base Layer Long Sleeve Shirt

$110.00

Smartwool Youth Merino 250 Pattern Crewneck Baselayer Top
  • Sunset Coral Mountain

Smartwool Youth Merino 250 Pattern Crewneck Baselayer Top

$60.00

Hot Chillys Men's Clima-Wool Merino Bottom
  • Nightfall
  • Od Green

Hot Chillys Men's Clima-Wool Merino Bottom

$125.00

Adidas Men's Terrex Xperior Merino 150 Baselayer Long-Sleeve Top
  • Grey Five

Adidas Men's Terrex Xperior Merino 150 Baselayer Long-Sleeve Top

$100.00

icebreaker Women's Merino Blend 200 Realfleece Descender 1/2 Zip Long Sleeve Top
  • Graphite/Black/Cb

icebreaker Women's Merino Blend 200 Realfleece Descender 1/2 Zip Long Sleeve Top

$160.00

Hot Chillys Women's Clima-Wool Merino Bottom
  • Nightfall

Hot Chillys Women's Clima-Wool Merino Bottom

$125.00

Halfdays Women's Fay Merino Baselayer Top
  • Spiked Cocoa
  • Black
  • Navy

Halfdays Women's Fay Merino Baselayer Top

See Price in Cart

WAS: $95.00-$130.00*

Smartwool Women's Thermal Merino Crew
  • Charcoal Heather
  • Toasted Coconut Heather
  • Arctic Green Heather

Smartwool Women's Thermal Merino Crew

$120.00

Smartwool Men's Intraknit Merino 200 Pattern Crewneck Baselayer Top
  • Honey Gold Mountain

Smartwool Men's Intraknit Merino 200 Pattern Crewneck Baselayer Top

$130.00

Smartwool Merino 150 Baselayer Pants
  • Black

Smartwool Merino 150 Baselayer Pants

$90.00

Smartwool Women's Merino 250 Baselayer Leggings

Smartwool Women's Merino 250 Baselayer Leggings

$115.00

Smartwool Thermal Merino Pattern Crew
  • Laguna
  • Black Mountain Print

Smartwool Thermal Merino Pattern Crew

$110.00

icebreaker Men's Merino Linen Short Sleeve T-Shirt
  • Snow/Midnight Navy/S
  • Ember/Snow/S

icebreaker Men's Merino Linen Short Sleeve T-Shirt

$115.00

icebreaker Men's 125 ZoneKnit Merino Thermal Long Sleeve Shirt
  • Fathom Green/Cloud Ray/Cb
  • Black
  • Ether

icebreaker Men's 125 ZoneKnit Merino Thermal Long Sleeve Shirt

$100.00

icebreaker Men's Merino 125 Cool-Lite Sphere III Long-Sleeve Shirt
  • Metro Heather
  • Black
  • Dawn Heather

icebreaker Men's Merino 125 Cool-Lite Sphere III Long-Sleeve Shirt

$85.00

Smartwool Women's Intraknit Thermal Merino Baselayer Leggings
  • Black/White

Smartwool Women's Intraknit Thermal Merino Baselayer Leggings

$130.00

Smartwool Men's Thermal Merino 1/4 Zip
  • Charcoal Heather
  • Black

Smartwool Men's Thermal Merino 1/4 Zip

$120.00

icebreaker Women's MerinoFine Long Sleeve Roll Neck Shirt
  • Electron Pink

icebreaker Women's MerinoFine Long Sleeve Roll Neck Shirt

$220.00

Smartwool Women's Intraknit Thermal Base Layer 3/4 Leggings
  • Black White

Smartwool Women's Intraknit Thermal Base Layer 3/4 Leggings

$120.00

icebreaker Women's Merino 200 Hike Mock Neck Tank Top
  • Graphite
  • Chalk

icebreaker Women's Merino 200 Hike Mock Neck Tank Top

$85.00

icebreaker Men's Merino 150 Tech Lite III Short Sleeve T-Shirt
  • Dawn

icebreaker Men's Merino 150 Tech Lite III Short Sleeve T-Shirt

$85.00

icebreaker Men's Merino 150 Tech Lite III Short Sleeve T-Shirt
  • Dawn
  • Black

icebreaker Men's Merino 150 Tech Lite III Short Sleeve T-Shirt

$85.00

icebreaker Men's Merino 125 Cool-Lite Sphere III Short Sleeve Shirt

icebreaker Men's Merino 125 Cool-Lite Sphere III Short Sleeve Shirt

$75.00

icebreaker Women's Merino 125 Cool-Lite Sphere III Short Sleeve Shirt

icebreaker Women's Merino 125 Cool-Lite Sphere III Short Sleeve Shirt

$75.00

Icebreaker Men's Merino 150 Tech Lite III T-Shirt
  • Black

Icebreaker Men's Merino 150 Tech Lite III T-Shirt

$85.00

Icebreaker Men's Merino 150 Tech Lite III T-Shirt

Icebreaker Men's Merino 150 Tech Lite III T-Shirt

$80.00

icebreaker Women's Merino 150 Tech Lite III Short Sleeve T-Shirt
  • Black

icebreaker Women's Merino 150 Tech Lite III Short Sleeve T-Shirt

$85.00

Icebreaker Women's Merino 150 Tech Lite III T-Shirt

Icebreaker Women's Merino 150 Tech Lite III T-Shirt

$80.00

icebreaker Men's 125 ZoneKnit Merino Thermal Short Sleeve Shirt

icebreaker Men's 125 ZoneKnit Merino Thermal Short Sleeve Shirt

$90.00

Icebreaker Women's Merino 150 Tech Lite III Short Sleeve T-Shirt
  • Graphite

Icebreaker Women's Merino 150 Tech Lite III Short Sleeve T-Shirt

$85.00

Icebreaker Women's Merino 150 Tech Lite III Short Sleeve T-Shirt
  • Black
  • Dawn

Icebreaker Women's Merino 150 Tech Lite III Short Sleeve T-Shirt

$80.00

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Smartwool Women's Thermal Merino ¼ Zip Pullover
  • Charcoal Heather
  • Black Cherry Heather
  • Purple Iris Floral

Smartwool Women's Thermal Merino ¼ Zip Pullover

$120.00

Smartwool Men's Merino SS Tee

Smartwool Men's Merino SS Tee

$80.00

Smartwool Women's Merino Sport 120 Short Sleeve T-Shirt
  • Twilight Blue

Smartwool Women's Merino Sport 120 Short Sleeve T-Shirt

$60.00

Smartwool Women's Thermal Merino Turtleneck Ribbed Sweater
  • Arctic Green Heather
  • Charcoal Heather
  • Chalk Violet Heather

Smartwool Women's Thermal Merino Turtleneck Ribbed Sweater

$120.00

Smartwool Men's Everyday Exploration Merino Long Sleeve T-Shirt
  • Medium Gray Heather
  • Deep Navy Heather

Smartwool Men's Everyday Exploration Merino Long Sleeve T-Shirt

$80.00

On Sale
Smartwool Women's Merino SS Tee

Smartwool Women's Merino SS Tee

$79.95

WAS: $80.00*

Smartwool Men's Long Sleeve Heavy Henley Sweater
  • Light Gray Heather

Smartwool Men's Long Sleeve Heavy Henley Sweater

$190.00

Smartwool Men's Merino Sport 120 LS Tee
  • Honey Gold

Smartwool Men's Merino Sport 120 LS Tee

$75.00

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