• 100% polyester
• UA Tech™ fabric is quick-drying, ultra-soft & has a more natural feel
• Moisture Transport System wicks sweat & dries fast
• Anti-odor technology prevents the growth of odor causing microbes
HeatGear® is engineered with a microfiber blend fabric featuring the signature Moisture Transport System and reliable compression. It's designed to fit tight to your skin, under your outerwear.