A Kevin's favorite made in our exclusive performance fabric made from 92% nylon and 8% spandex, making it extremely lightweight, soft and comfortable . No iron Cooling Performance Lightweight SPF/UVA Wash & Wear Machine Wash Cold, Do not Bleach & Tumble Dry Low Pearl Buttons It's breathable and moisture-wicking to keep you dry and cool all day long. Durable and shrink-proof fabric flexes for maximum mobility and a comfortable fit throughout the day.