Accomplish your training goals with the Under Armour® Men’s Threadborne™ Siro T-Shirt. UA Threadborne™ Siro construction unlocks natural flexibility and enhances recovery times, while the lightweight fabric delivers breathability. Moisture-wicking technology eliminates lingering sweat to keep you dry, and anti-odor properties prevent bacterial growth so your gear stays clean and fresh. Take your performance up a notch with the UA Threadborne™ Siro T-Shirt.
Breathable material feels incredibly soft and lightweight for unequaled comfort
UA Threadborne™ Siro fabrication delivers improved mobility and post-workout recovery times
Signature Moisture Transport System wicks sweat away for a dry fit
Antimicrobial technology inhibits the growth of odor-causing bacteria
Flat seams reduce skin irritation caused by chafing