UA Baseâ„¢ 4.0 delivers heat like no other, keeping you warm even in the brutal cold. Soft, brushed negative grid interior traps hot air, providing superior warmth. 4-way stretch construction moves better in every direct...

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UA Baseâ„¢ 4.0 delivers heat like no other, keeping you warm even in the brutal cold. Soft, brushed negative grid interior traps hot air, providing superior warmth. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes.

  • UA Base 4.0 delivers heat like no other, keeping you warm even in the brutal cold
  • Soft, brushed negative grid interior traps hot air, providing superior warmth
  • 4 way stretch construction moves better in every direction
  • Material wicks sweat & dries really fast
  • UA Base 4.0 delivers heat like no other, keeping you warm even in the brutal cold
  • Soft, brushed negative grid interior traps hot air, providing superior warmth
  • 4 way stretch construction moves better in every direction
  • Material wicks sweat & dries really fast

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