Built to be a staple in your closet for long-lasting wear. Patagonia's soft, durable, lightweight flannel shirt is made of 100% Cotton in Conversion, which supports farmers on the path to organic certification. Made in a Fair Trade Certified factory. Comfortable, Long-Lasting Fabric Made of 100% Cotton in Conversion double-sided brushed flannel Long-Sleeved, Button-Front Collared Shirt Traditional long-sleeved, button-front collared shirt Left-Chest Pocket Left-chest pocket with single-button flap closure Fit Details Shirttail hem Supporting the People Who Made This Product Made in a Fair Trade Certified factory, which means the people who made this product earned a premium for their labor Country of Origin Made in Vietnam.