Merino Wool Long Underwear

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55 products
View:  48All|55 Products
Smartwool Men's Classic Thermal Merino Base Layer Bottoms
  • Black
  • Deep Navy
  • Charcoal Heather

Smartwool Men's Classic Thermal Merino Base Layer Bottoms

$115.00

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

Hot Chillys Men's Clima-Wool Merino Bottom

$125.00

Smartwool Women's Classic Thermal Merino Baselayer Bottoms

Smartwool Women's Classic Thermal Merino Baselayer Bottoms

$115.00

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

Hot Chillys Women's Clima-Wool Merino Bottom

$125.00

SmartWool Women's Merino 150 Base Layer Bottoms
  • Black

SmartWool Women's Merino 150 Base Layer Bottoms

$90.00

SmartWool Merino 150 Base Layer Long Sleeve Shirt
  • Black

SmartWool Merino 150 Base Layer Long Sleeve Shirt

$90.00

Smartwool Women's Classic Thermal Merino Baselayer Long Sleeve Shirt

Smartwool Women's Classic Thermal Merino Baselayer Long Sleeve Shirt

$115.00

Smartwool Men's Intraknit Thermal Merino Base Layer Bottom
  • Black White

Smartwool Men's Intraknit Thermal Merino Base Layer Bottom

$130.00

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

Smartwool Men's Classic All-Season Merino Baselayer Bottoms

$85.00

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

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

$90.00

Smartwool Merino 150 Baselayer Pants
  • Black

Smartwool Merino 150 Baselayer Pants

$90.00

Smartwool Thermal Merino Pattern Crew
  • Laguna
  • Black Mountain Print

Smartwool Thermal Merino Pattern Crew

$110.00

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

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

$130.00

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

Smartwool Women's Intraknit Thermal Merino Baselayer Leggings

$130.00

Smartwool Women's Thermal Merino Pattern Crewneck Long Sleeve Shirt
  • Festive Fuschia Mtnscape
  • Light Gray Mtn Fairisle

Smartwool Women's Thermal Merino Pattern Crewneck Long Sleeve Shirt

$110.00

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

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

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

icebreaker Men's 125 ZoneKnit Merino Thermal Long Sleeve Shirt

$100.00

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

Smartwool Women's Merino 150 Baselayer Bottom

$85.00

WAS: $90.00*

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 Merino 250 Pattern Baselayer Bottom
  • Blueberry Hill Mtn Scape

Smartwool Women's Merino 250 Pattern Baselayer Bottom

$110.00

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

Smartwool Men's Classic Thermal Merino Base Layer Crew Top

$115.00

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 Intraknit Active Base Layer Bottoms
  • Black

SmartWool Women's Intraknit Active Base Layer Bottoms

$110.00

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 Kids' Classic Thermal Merino Base Layer Crew
  • Power Pink

Smartwool Kids' Classic Thermal Merino Base Layer Crew

$64.95

Smartwool Women's Merino 250 Baselayer Leggings

Smartwool Women's Merino 250 Baselayer Leggings

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

Smartwool Women's Intraknit Thermal Merino Pattern Baselayer Top

$130.00

Smartwool Women's Merino 250 Baselayer Top

Smartwool Women's Merino 250 Baselayer Top

$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 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

Hot Chillys Women's Clima-Wool Merino Zip-T
  • Black/Grey
  • Grht/Black

Hot Chillys Women's Clima-Wool Merino Zip-T

$135.00

Smartwool Men's Intraknit Thermal 1/4 Zip
  • Deep Navy
  • Winter Moss

Smartwool Men's Intraknit Thermal 1/4 Zip

$155.00

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

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

$120.00

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 Merino 250 Baselayer Crewneck Shirt

Smartwool Men's Merino 250 Baselayer Crewneck Shirt

$115.00

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 Merino 250 Pattern Crewneck Baselayer Top

Smartwool Women's Merino 250 Pattern Crewneck Baselayer Top

$110.00

Smartwool Women's Intraknit Thermal 1/4 Zip
  • Black/White

Smartwool Women's Intraknit Thermal 1/4 Zip

$140.00

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

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

$130.00

Smartwool Women's Classic All-Season Merino Lace Baselayer Top
  • Black

Smartwool Women's Classic All-Season Merino Lace Baselayer Top

$85.00

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 Women's Intraknit Thermal Colorblock 1/4 Zip
  • Deep Navy

Smartwool Women's Intraknit Thermal Colorblock 1/4 Zip

$140.00

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

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

Halfdays Women's Fay Merino Baselayer Top

See Price in Cart

WAS: $95.00-$115.00*

ColdPruf Men's Heavyweight Thermal Bottoms
  • Natural

ColdPruf Men's Heavyweight Thermal Bottoms

$19.99

Adidas Men's Xperior Merino 200 Baselayer Leggings
  • Grey Five

Adidas Men's Xperior Merino 200 Baselayer Leggings

$110.00

Smartwool Youth Merino 250 Baselayer Bottom
  • Power Pink

Smartwool Youth Merino 250 Baselayer Bottom

$60.00

Hot Chillys Men's Clima-Wool Merino Zip-T
  • Od Green/Grey Heather

Hot Chillys Men's Clima-Wool Merino Zip-T

$135.00

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

Smartwool Kids' Classic Thermal Merino Base Layer Bottom

$64.95

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

Smartwool Youth Merino 250 Pattern Crewneck Baselayer Top

$60.00

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

Smartwool Men's Thermal Merino 1/4 Zip

$120.00

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

Smartwool Women's Thermal Merino Rib Top

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

SmartWool Youth Classic Thermal ¼ Zip Base Layer

$65.00

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

Smartwool Women's Thermal Merino ¼ Zip Pullover

$120.00

Smartwool Women's Merino Sport Lined Shorts
  • Black
  • Twilight Gingham

Smartwool Women's Merino Sport Lined Shorts

$60.00

Smartwool Men's Merino SS Tee

Smartwool Men's Merino SS Tee

$80.00

Smartwool Women's Merino Tank
  • Twilight Blue

Smartwool Women's Merino Tank

$69.95

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

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

$60.00

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