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Under Armour The Original Boxerjock® 9in Extended Brief

$19.99 USD
In Stock
True Grey Heather/Red
Size Chart

More Info

Not your ordinary underwear—the Boxerjock® 9in boxer briefs are built for all-day athletes.


WHAT'S IT DO? When UA introduced The Original Boxerjock® boxer briefs, all other men's underwear was soon rendered obsolete. This underwear is built from UA’s smooth, sleek HeatGear® fabric for the best performance. The signature Moisture Transport System keeps you cool, the 4-way stretch keeps you moving, and the anti-odor technology keeps you fresh. Forget your old boxer briefs that bunch up, wear out, or lose shape. The Original Boxerjock® 9in underwear stretches, recovers, and fits exactly how you want it to.


  • Lightweight, smooth HeatGear® fabric and articulated mesh fly panel provide all-day comfort
  • 4-way stretch fabrication improves range of motion and dries faster
  • Signature Moisture Transport System wicks away sweat to keep you cool, dry, and light
  • Anti-odor technology prevents the growth of odor-causing microbes to keep your gear fresher, longer
  • Smooth flatlock stitching delivers chafe-free mobility
  • Updated performance waistband for a secure, comfortable fit
  • Working fly for convenience
  • 9in inseam
  • Polyester/Elastane
  • Imported

Under Armour The Original Boxerjock® 9in Extended Brief

Size Chart

Sizing Waist
Small 28-29"
Medium 30-32"
Large 34-36"
X-Large 38-40"
2X-Large 42-44"
3X-Large 44-46"