Men's UA Base™ 2.0 Boxerjock® Boxer Briefs

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Our best-selling Boxerjock® boxer briefs deserved a ColdGear® update for the bitter cold. We started with our UA Base™ performance thermal fabric. And these aren’t your grandpa's long underwear. We took the traditional thermal and rebuilt it to work for off-road athletes. The unique negative grid traps monster warmth without adding excess weight. When the temps are dropping around you, heat up your game with the UA Base™ 2.0 Boxerjock®.
  • UA Base™ 2.0 is highly versatile mid-weight protection for colder conditions and a variety of activity levels
  • Soft, brushed negative grid interior traps hot air, providing superior warmth
  • 4-way stretch fabrication allows greater mobility and maintains shape
  • Signature Moisture Transport System wicks sweat away from the body
  • Anti-odor technology prevents the growth of odor causing microbes
  • Smooth, chafe-free flatlock seam construction
  • Working fly
  • 4.5 oz. Polyester/Elastane
  • Imported