Men's UA Threadborne Siro T-Shirt

Style # 1289583
Height: Size: Fit: Loose
Mens UA Threadborne Siro T-Shirt
  • Availability: 
Size and Fit Guide
Due to limited quantities, only 100 allowed per customer.
The product can't be added to the bag
Height: Size: Fit: Loose
Men's UA Threadborne Siro T-Shirt

Product DNA

If you're only looking for one shirt, this is it: the stealth ventilation keeps you cool and the Threadborne fabric is super-comfortable. But really, it's the attention to detail that makes it the first thing you grab even when you're not working out.
  • 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
  • Style #: 1289583
  • Imported

Review Summary

131 Reviews

Best T-Shirt

A good brand with such elegant material. Soft and comfortable materials used to make the t-shirt.

Great gear by Under Armour

Under Armour have great products. This Under Armour grey shirt is light weight and so comfortable to wear when doing gym. Looking forward to buying more great gear by Under Armour.

Great item, very light, durable, excellent choice

Great item, very light, durable, excellent choice for crossfit activities.

Stylish and hard wearing shirt

Great look and keeps you dry in the gym, A must for sweaty workouts

Under Armour

Great Quality Shirt. Fits perfectly and light to wear.

Love the Under Armour product.

I absolutely love the Under Armor products. This tee shirt is so light and cool to wear. This one is a good every day tee but is also awsome for going out for a run orgym session.


Under Armour t-shirts are the best quality shirts for good reasonable price...every year i buy these t-shirts and send overseas as they are in great demand. We get good branded quality stuff in Rebel shop with reasonable to shop in Rebel ...

Light and comfy

Sizing is a bit large- but very light and comfortable

Good quality and comfortable

This is a shirt that you can wear everyday! I’ve been wearing this for months

Comfortable and good quality

I’ve been wearing this for a month. This is so comfortable shirt that you should have.