UA Siro uses a unique construction to give you greater stretch & recovery, ultra-soft feel & more breathable performance. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast ....

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Product Review

UA Siro uses a unique construction to give you greater stretch & recovery, ultra-soft feel & more breathable performance. 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 Threadborne Siro uses a unique construction to give you greater stretch & recovery, ultra-soft feel & more breathable performance
  • 4-way stretch construction moves better in every direction
  • Material wicks sweat & dries really fast
  • Under Armour mission is to make all athletes better through passion, design and the relentless pursuit of innovation
  • Where we started? It all started with an idea to build a superior T-shirt

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