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Make Yourself Comfortable

Make Yourself Comfortable

Get the elevated essentials our customers can’t live without:
absurdly soft underwear, French terry sweats, and more.

Get the elevated essentials our customers can’t live without: absurdly soft underwear, French terry sweats, and more.

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Try on guarantee

Try On Guatantee

If you don’t love your first pair of underwear, it’s on us.
Save 25% on your first order

First Order Discount

Save 25% on your first purchase.
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100K Five-Star Reviews

The people have spoken (and
they’ve said lots of nice things).
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Mack Weldon Rewards

Stack up loyalty points and put them toward your next order.

Products We’re Famous For

Popular Categories

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Boxer Briefs

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Polos

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T-Shirts

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Shorts

Three pairs of men's underwear in gray, navy, and blue on a light gray background.

Bundle & Save

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The Stealth Pro
Boxer Brief

The Stealth Pro
Boxer Brief

Our second-skin performance underwear feels like nothing—but does everything.

Our second-skin performance underwear feels like nothing—but does everything.

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Comfortable Anywhere

Comfortable Anywhere

From the start, we’ve made it our mission
to help you move through the day with
confidence—even if you’re just hangin’ in
your underwear.

From the start, we’ve made it our mission to help you move through the day with confidence—even if you’re just hangin’ in your underwear.

Explore Our Collabs About Us
Explore Our Collabs About Us

Our Signature Fabrics

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ACE

Comfort, elevated

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AIRKNITx

Light as air

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SILVER

Innovative luxury

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18-Hour Jersey

Classic cotton + modal blend

#WEARITWELL

@MackWeldon

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WARMKNIT Waffle Long Sleeve Crew
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SILVER Denim Jacket
Main wearing a Pima Crew Neck T-shirt while hiking on a snowy mountain
SILVER Crew Neck T-Shirt
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Latitude Vest
Main wearing a Pique Button Down shirt while outside and is holding sunglasses
SILVER Pique Button Up