Roost has designed the perfect stretch, lightweight performance fabric to keep you cool and comfortable while enjoying the outdoors.; A classic performance t-shirt style made of 95% and 5% spandex., the shirt has the perfect amount of weight and stretch to make it your favorite outdoor T-shirt. We designed this performance wicking shirt for the sporting gentlemen short-sleeve shirt with the fisherman in mind, simple pocketing, vented back, and quick-drying fabric. Cooling Lightweight Wash & Wear Machine Wash, Do Not Bleach and Tumble Dry Quick-drying Fabric Sizes S(34-36), M(38-40), L(42-44), XL(46-48), XXL(50-52).