If you're only looking for one shirt, this is it: the stealth ventilation keeps you cool and the Threadborne Siro 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.

 

• Threadborne Microthread technology in the fabric dries faster, won't cling to you, won't chafe & stretches without absorbing sweat
• HeatGear® fabric is ultra-soft & smooth for extreme comfort with very little weight
• Stretch-mesh back panel delivers strategic ventilation
• 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

• Body: 4.7 oz. 90% Polyester/10% Elastane
• Mesh: 3.5 oz. 88% Polyester/12% Elastane

• Loose Fit: Fuller cut for complete comfort.