From Southern Tide, this shirt features: 2-piece self collar Outline Skipjack heat logo on the back neck 3-button placket with branded white buttons Short sleeves Drop tail hem Moisture-wicking, quick-drying fabric with UV protection Stretch for ease of movement brrr° cooling Polyester/brrr° nylon/spandex Machine wash/tumble dry Imported. Others may say they're cooling, but we prove it. Brrr° uses patented technology to design fabric that provides immediate & continuous cooling. Actively reducing skin temperature throughout your everyday routine. Our cooling technology is permanently integrated into the fiber, and never fades or washes away with the added benefit of enhanced UV protection.