Fieldstone has designed the perfect lightweight performance shirt with Anglers in mind; Made of 90% nylon and10% 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 4-Way Stretch Water-Repellent Anti-Microbial (Prevents Odor) Lightweight Roll-Tab Sleeves Back Yoke Vent with Mesh Insert to Keep You Cool Wash Wear Machine Wash, Do Not Bleach and Tumble Dry Vented Back, Super-Lightweight and Soft Touch