Under Armour's Performance Mesh Underwear—the M series—delivers maximum ventilation and breathability. All the benefits of UA's original Performance Underwear, but with an incredible all-over mesh fabrication that keeps you totally ventilated. No matter where you are, UA's M Series 3" Boxerjock® boxer briefs help you stay cool, comfortable, and focused.
You'll hear from us soon about the latest & greatest UA innovations. But you don't need to wait. Go ahead & check out the most advanced gear in sports. Our goal is to do one thing: MAKE YOU BETTER.