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Man in a gym locker room wearing AIRKNITx Boxer Briefs

Why You Need AIRKNITx Breathable Underwear

Mack Weldon makes the internet's freshest underwear collection.

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AIRKNITx Underwear Details
AIRKNITx Underwear Details

Designed with every detail in mind.

  • Supportive flyless pouch

  • Moisture-wicking & odor-fighting

  • Targeting cool zones

  • No roll waistband

  • Stay-put legs

Built to keep you dry, fresh, and comfortable, to the end of your workout or workday

Our soft, lightweight microfiber maximizes airflow and stretches in every direction. It’s topped off with a moisture-wicking, odor-fighting finish to keep you dry and fresh to the end of the day.

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 It Now - Risk Free

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