UA Siro fabric is super-light, dries incredibly fast & won’t cling to you when you sweat. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes.

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Product Review

UA Siro fabric is super-light, dries incredibly fast & won’t cling to you when you sweat. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes.

  • UA Siro fabric is super-light, dries incredibly fast & won't cling to you when you sweat
  • Material wicks sweat & dries really fast
  • Under Armour’s 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
  • The technology behind Under Armour's diverse product assortment for men, women and youth is complex, but the program for reaping the benefits is simple: wear HeatGear when it's hot, ColdGear when it's cold, and AllSeasonGear between the extremes.

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