Smartwool Base Layers & Underwear

Current Deals & Offers

DICK'S Sporting Goods Updated Oct 26, 2026

Smartwool Women's Women's Multisport Merino Blend Boxed Crew Baselayer, XL, Black

$90.00

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DICK'S Sporting Goods Updated Oct 26, 2026

Smartwool Men's Intraknita" Thermal Merino Base Layer Hoodie, XXL, Black/Charcoal

$200.00

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DICK'S Sporting Goods Updated Oct 26, 2026

Smartwool Women's Merino 250 1/4 Zip Baselayer Top, XS, Charcoal Heather

$120.00

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OMCgear Updated Oct 26, 2026

26% OFF

Smartwool Men's Intraknit All-Season Merino Base Layer Crew

$91.99 $125.00

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OMCgear Updated Oct 26, 2026

17% OFF

Smartwool Women's Classic Thermal Merino Base Layer Crew

$103.99 $125.00

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Backcountry.com Updated Oct 26, 2026

Smartwool Classic All-Season LS Plus Merino Baselayer - Women's Black, 1X

$100.00

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Equipe Sport Updated Oct 26, 2026

Smartwool Kids' Classic Thermal Merino Base Layer Crew - Winter 2026/2027

$70.00

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Equipe Sport Updated Oct 26, 2026

Smartwool Kids' Classic Thermal Merino Base Layer Bottom - Winter 2026/2027

$70.00

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Sun & Ski Sports Updated Oct 26, 2026

8% OFF

Smartwool Men's Merino 250 Baselayer Tights

$115.00 $125.00

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Sun & Ski Sports Updated Oct 26, 2026

Smartwool Men's Intraknit Thermal Merino Base Layer Colorblock Crew

$150.00

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Steep and Cheap Updated Oct 13, 2026

35% OFF

Smartwool Women's Intraknit Thermal Merino Pattern Crew Top in Black - Size: XS

$84.50 $130.00

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Steep and Cheap Updated Oct 13, 2026

25% OFF

Smartwool Men's Active Boxer Brief - 2-Pack in Twilight Blue - Size: Medium

$60.00 $80.00

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Sportsman's Warehouse Updated Oct 26, 2026

Smartwool Men's Merino Boxer Underwear - Light Grey M

$48.00

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Als.com Updated Oct 26, 2026

Smartwool Classic Thermal Merino Base Layer Crew Top - Kids'

$65.00

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Als.com Updated Oct 26, 2026

Smartwool Intraknit All-Season Merino Base Layer Crew Top - Men's

$130.00

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Als.com Updated Oct 26, 2026

Smartwool Intraknit All-Season Merino Base Layer Crew Top - Men's

$125.00

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DICK'S Sporting Goods Updated Oct 26, 2026

Smartwool Men's Classic Thermal Merino 1/4 Zip Base Layer, Medium, Black

$130.00

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DICK'S Sporting Goods Updated Oct 26, 2026

Smartwool Men's Multi Sport Merino Blend Base Layer Bottom, Black

$90.00

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DICK'S Sporting Goods Updated Oct 26, 2026

Smartwool Women's Multi Sport Merino Blend Base Layer Bottom, XL, Black

$90.00

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SteepandCheap.com Updated Oct 26, 2026

45% OFF

Smartwool Women's Classic Thermal Merino Base Layer 1/4-Zip Top in Arctic Green Heather - Size: Large

$66.00 $120.00

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SteepandCheap.com Updated Oct 26, 2026

50% OFF

Smartwool Men's Active Boxer Brief - 2-Pack in Twilight Blue - Size: Small

$40.00 $80.00

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REI.com Updated Oct 26, 2026

31% OFF

Smartwool Men's Active Boxer Briefs - Package of 2 Blue XXL

$54.97 $80.00

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evo Updated Oct 26, 2026

Smartwool Classic Thermal Base Layer One Piece Men's 2027 in Black size Small

$250.00

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evo Updated Oct 26, 2026

Smartwool Classic Thermal Base Layer Colorblock Crew Top Men's 2027 in Black size Large

$140.00

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evo Updated Oct 26, 2026

Smartwool Classic All-Season Base Layer Bottoms Men's 2027 in Black size 2X-Large | Nylon/Wool

$100.00

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evo Updated Oct 26, 2026

Smartwool Classic All-Season Base Layer Crew Top Men's 2027 in Green size Large | Nylon/Wool

$100.00

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evo Updated Oct 26, 2026

Smartwool Classic All-Season Base Layer 3/4 Bottoms Men's 2027 in Black size Medium | Nylon/Wool

$85.00

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evo Updated Oct 26, 2026

Smartwool Kid's Smartwool Classic Blend Base Layer Crew Top 2027 in Gray size X-Large | Wool/Polyester

$55.00

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evo Updated Oct 26, 2026

Smartwool Kid's SmartwoolClassic Blend Base Layer Bottoms 2027 in Gray size X-Small | Wool/Polyester

$55.00

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evo Updated Oct 26, 2026

Smartwool Women's Smartwool Intraknit Thermal Base Layer Crew Top 2027 in Green size Medium | Wool/Elastane/Polyester

$150.00

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Backcountry.com Updated Oct 26, 2026

40% OFF

Smartwool Active Boxer Brief - 2-Pack - Men's Twilight Blue, XXL

$48.00 $80.00

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SteepandCheap.com Updated Oct 26, 2026

35% OFF

Smartwool Women's Classic Thermal Merino Crew Baselayer in Black Deco Floral - Size: XS

$75.00 $115.00

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SteepandCheap.com Updated Oct 26, 2026

30% OFF

Smartwool Women's Classic All-Season Merino Base Layer Long-Sleeve in Coral Reef - Size: XS

$70.00 $100.00

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SteepandCheap.com Updated Oct 26, 2026

50% OFF

Smartwool Women's Classic Thermal Merino Colorblock Baselayer Crew in Nightfall Blue Heather - Size: Medium

$65.00 $130.00

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SteepandCheap.com Updated Oct 26, 2026

45% OFF

Smartwool Men's Merino 250 Baselayer Crew Boxed Top in Black Color Shift - Size: XL

$63.25 $115.00

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SteepandCheap.com Updated Oct 26, 2026

40% OFF

Smartwool Women's Classic Thermal Merino Baselayer Bottom in Twilight Blue Heather - Size: XS

$75.00 $125.00

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SteepandCheap.com Updated Oct 26, 2026

40% OFF

Smartwool Women's Active Crop Bra in Black - Size: Small

$45.00 $75.00

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Backcountry.com Updated Oct 26, 2026

Smartwool Classic Merino Blend Base Layer Bottom - Kids' Rosewood, L

$55.00

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Terry Cycling Updated Oct 26, 2026

Smartwool Classic Thermal Crew Baselayer

$125.00

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Appalachian Outfitters Updated Oct 26, 2026

Smartwool Women's Merino 250 Base Layer Bottom

$125.00

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Appalachian Outfitters Updated Oct 26, 2026

Smartwool Women's Classic Thermal Merino Base Layer Crew

$125.00

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Appalachian Outfitters Updated Oct 26, 2026

Smartwool Men's Classic Thermal Merino Base Layer Bottom

$125.00

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Appalachian Outfitters Updated Oct 26, 2026

25% OFF

Smartwool Women's Classic All-Season Merino Base Layer Crew

$75.00 $100.00

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Appalachian Outfitters Updated Oct 26, 2026

Smartwool Men's Merino Boxer Brief Boxed

$50.00

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Appalachian Outfitters Updated Oct 26, 2026

25% OFF

Smartwool Men's Merino Print Boxer Brief Boxed

$36.00 $48.00

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Appalachian Outfitters Updated Oct 26, 2026

Smartwool Men's Active Boxer Brief Boxed

$40.00

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DICK'S Sporting Goods Updated Oct 26, 2026

Smartwool Men's Merino 250 Baselayer Crewneck Shirt, XL, Winter Moss Heather

$130.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Intraknit Thermal Quarter Zip Base Layer Shirt Charcoal/Nightfall Blue 2XL

$140.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Intraknit Thermal Quarter Zip Base Layer Shirt Winter Moss 2XL

$140.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Classic Thermal Quarter Zip Base Layer Shirt Deep Navy XL

$120.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Classic Thermal Quarter Zip Base Layer Shirt Mink Heather Large

$120.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Classic Thermal Quarter Zip Base Layer Shirt Black XL

$120.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Classic Thermal Quarter Zip Base Layer Shirt Deep Navy Large

$120.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Classic Thermal Quarter Zip Base Layer Shirt Mink Heather XL

$120.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Classic Thermal Quarter Zip Base Layer Shirt Black 2XL

$120.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Classic Thermal Quarter Zip Base Layer Shirt Black Medium

$120.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Intraknit Thermal Long Sleeve Base Layer Shirt Charcoal/Black Medium

$130.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's 250.75 Merino Wool Base Layer Pants Black Large

$105.00

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Ridge & River Updated Oct 26, 2026

Smartwool Men's Merino Boxer Brief Boxed | Odor-Resistant, Moisture-Wicking ZQ Merino Wool Underwear

$50.00

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Optics Planet Updated Oct 11, 2026

Smartwool Intraknit Merino Base Layer Crew - Women's Purple Storm Small

$125.00

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Optics Planet Updated Oct 11, 2026

Smartwool Classic Merino Base Layer Crew - Men's Burnt Sienna Small

$100.00

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Optics Planet Updated Oct 11, 2026

Smartwool Intraknit Thermal Merino Base Layer - Men's Charcoal/Nightfall Blue Small

$170.00

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Optics Planet Updated Oct 11, 2026

Smartwool Classic Merino Base Layer Crew - Men's Winter Moss Heather Small

$130.00

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REI.com Updated Oct 26, 2026

Smartwool Men's Merino Boxer Briefs - Boxed Blue S

$50.00

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CampSaver.com Updated Oct 26, 2026

Smartwool Classic Merino Base Layer Crew - Men's Winter Moss Heather Medium

$130.00

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CampSaver.com Updated Oct 26, 2026

Smartwool Classic Merino Base Layer Crew - Women's Purple Storm Large

$100.00

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CampSaver.com Updated Oct 26, 2026

Smartwool Intraknit Merino Base Layer Bottom - Women's Black Extra Small

$125.00

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CampSaver.com Updated Oct 26, 2026

Smartwool Intraknit Thermal Merino Base Layer - Men's Winter Moss Extra Large

$170.00

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Ascent Outdoors Updated Oct 26, 2026

Smartwool Women's Classic Thermal Merino Base Layer Crew

$125.00

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Steep and Cheap Updated Oct 13, 2026

30% OFF

Smartwool Women's Classic Thermal Merino Baselayer Bottom in Twilight Blue Heather - Size: Small

$87.50 $125.00

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Steep and Cheap Updated Oct 13, 2026

45% OFF

Smartwool Women's Classic Thermal Merino Crew Baselayer in Black Deco Floral - Size: XS

$63.25 $115.00

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DICK'S Sporting Goods Updated Oct 26, 2026

4% OFF

Smartwool Men's Merino Boxed Boxer, Small, Deep Navy

$49.95 $52.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's 250 Merino Wool Base Layer Pants Black Large

$115.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's 250.75 Merino Wool Base Layer Pants Black XL

$105.00

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MidwayUSA Updated Oct 26, 2026

Smartwool Men's Classic All-Season Quarter Zip Base Layer Shirt Iron Heather Large

$95.00

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