Isle Royale National Park, a rugged, unspoiled island surrounded by the waters of Lake Superior, can only be reached by ferry or seaplane. One can find the ultimate solitude and adventure in the wilderness while backpacking trails, exploring natural shorelines, or scuba diving to preserved shipwrecks far below the water’s surface. Unisex sizing. 50% cotton/50% poly. We support Smokey Bear's Wildfire Prevention Education fund by donating 10% of our Smokey Bear profits!