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Under Armor Boys' Threadborne ¼ Zip
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
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.