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Mack Weldon

AIRKNITx Boxer Brief

Live Demo

The Most Interesting men’s basics with premium fabrics and smart design.

Our light-as-air boxer brief is built to keep you dry, fresh, and comfortable, to the end of your workout or workday.

  • 50% Polyamide / 33% Polyester / 17% Elastane
  • Machine wash cold with like colors
  • Tumble dry low
  • Imported

Size Guide

True to size. Size up for a looser fit. For slim-fitting pants, we suggest sizing down.

Free shipping within Continental US.

Most orders ship within 1-2 business days of being placed. Orders placed in the evening usually ship the next business day, while those placed on Friday evening or during the weekend ship the following Monday. 

Our return process varies depending on the product and whether or not you've tried it on. For underwear that you've tried on, see What is your Try On Guarantee?  For underwear still in its original packaging and for all other products, we accept returns on anything that's unworn and unwashed within 30 days of purchase.