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UA Threadborne Siro Striped
Men’s Short Sleeve Shirt

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Using new manufacturing techniques, Threadborne Siro fabric is built to eliminate distraction. We‘ve engineered it to keep the ideal distance between fabric and athlete, so it won't cling when wet and dries incredibly fast.

Product DNA

  • Loose: Fuller cut for complete comfort.
  • Threadborne 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
  • 100% Polyester
  • Imported
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Men’s Tops Size Chart
CHEST (incm) WAIST (incm)
XS 30-32 76-81 26½-27½ 67-70
SM 34-36 86-92 28½-30 72-76
MD 38-40 96-102 31½-33½ 80-85
LG 42-44 106-112 35-37 89-94
XL 46-48 116-122 39-41 99-104
XXL 50-52 127-132 43-45½ 109-116
3XL 54-56 137-142 47½-50 121-127
4XL 58-60 147-153 52-54½ 132-138
5XL 62-64 157-163 56½-59 144-150
View In CentimetersInches
Men’s Tops Fit Guide
Fit: Fuller cut for complete comfort.
  • Compression
  • Fitted
  • Loose