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Underwear built for all around comfort like nothing you’ve ever worn

Luxury and quality where you need it most

Easy online ordering and returns

Love it or your money back


Designed to solve your underwear problems

More support with less constriction

Ultra-soft fabric for optimal comfort

Moisture-wicking and odor‑fighting

Stays in place for less adjusting

Luxurious, high quality, and affordable

Shop by Style

Boxer Briefs

Perfect fit with longer legs that stay put.

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Modern, tailored fit with stretch technology.

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The classic style got an update.

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Shorter legs, great for slim fit denim.

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Shop by Fabric


Engineered for maximum breathability and infused with 4-way stretch, our exclusive AIRKNITx Technology promotes high impact performance with lightweight dry comfort.

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Shop AIRKNITx Briefs
Shop AIRKNITx Trunks
Shop AIRKNITx 8" Boxer Briefs

Shop 18-Hour Jersey

A proprietary blend of cotton, beech wood modal, and Lycra®, this fabric rests for 18 hours before it's cut. The result is a softer and more consistent fit.

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Shop 18-Hour Jersey Briefs
Shop 18-Hour Jersey Knit Boxers
Shop 18-Hour Jersey Trunks


Silver particles naturally destroy odor-causing bacteria. We added Pima cotton to keep you cool and comfortable all day long.

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Shop Silver Boxer Brief

Try On Guarantee

If you don't love the first pair of underwear, we'll send you a different pair, or issue you a full refund - no return required.

Try Mack Weldon Underwear Today - Risk Free