Patagonia Men’s Long Sleeve Fitz Roy Trout Cotton T-Shirt. Wear what you love. For us, it’s the raw Patagonia landscape. Patagonia’s Fitz Roy Trout T-Shirt is made of 100% organic cotton jersey sourced from member farms of the Texas Organic Cotton Marketing Cooperative. Screen-printed with PVC- and phthalate-free inks. Taped shoulder seams feel soft next to the skin and ribbed cuffs snug down on the wrists. Fair Trade Certified™ sewing.