Under Armour Men's Threadborne Siro Muscle

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Under Armour Men's Threadborne Siro Muscle Features

• Threadborne Siro fabric gives greater stretch & recovery, ultra-soft feel & more breathable performance

• 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.

About Under Armour Men's Threadborne Siro Muscle

UA Siro fabric gives greater stretch & recovery, ultra-soft feel & more breathable performance. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes.