Patagonia Men’s River Rewilding Cotton T-Shirt. The River Rewilding Cotton T-Shirt pays tribute to the important work of river restoration and celebrates the revival of the Elwha River after the removal of two deadbeat dams. The tee is made of standard-weight, ringspun 100% Texas co-op organic cotton jersey; the tactile woodcut graphic is printed using PVC- and phthalate-free inks. Taped shoulder seams and ribbing at the neck provide superior comfort. Coverstitched neck and armholes provide a clean finish. Sturdy side seams keep garment from twisting and shrinking when washed. Fair Trade Certified™ sewing.