Lassen Volcanic National Park Embroidered Trucker HatLassen Peak one of the world's largest plug dome volcanoes, still steaming and surrounded by boiling mud pots and hydrothermal vents in Northern California. This Lassen Volcanic National Park embroidered trucker hat features the park's iconic sign on a structured six panel front the perfect cap for every hike, road trip, and weekend outside. Six panel structured front Embroidered park sign Mesh back for breathability Adjustable snapback closure