Fieldstone has designed the perfect soft, lightweight performance fabric to keep you cool and comfortable while enjoying the outdoors. Made of 65% cotton 32% nylon and 3% spandex., the shirt has the perfect amount of weight and stretch to make it your favorite shirt. We designed this short-sleeve shirt with the fisherman in mind, simple pocketing, vented back and a quick-drying fabric. Cooling Lightweight Wash & Wear Machine Wash, Do Not Bleach and Tumble Dry Vented Back, Super-Lightweight and Soft Touch