Parks Project Shrooms Baseball Hat, Black, O/S, NWT Paneled cap by Parks Project with allover embroidery. Cotton canvas hat with an adjustable strap closure at the back & a curved brim. Content + Care - 100% Cotton - Spot clean - Imported Size - Circumference: Adjustable Parks Project Celebrating America's National Parks with a line of apparel, accessories and home decor, Parks Project adventures with purpose. Every purchase funds projects in National Parks, including vital wildlife conservation efforts, trail restorations, visitor education and more. They believe that together, we can leave our world better than we found it.