Patagonia Great Pacific Iron Works (GPIW) - Ventura, CA,The Great Pacific Iron Works (1978) 🌊 • G.P.I.W. T-Shirts: “100% cotton t-shirts with the wave on the back and a pock in the front. Available in light blue, navy, tan, yellow,,Vintage Patagonia great pacific iron works shirt.,Vintage Patagonia Iron Works Cap Clad Built Rock Climbing Hat Great Pacific