You are permitted to board the fishing vessel captain. The Costa Del Mar Permit sunglasses will keep your eyes protected all day long. With an extra large frame they provide complete coverage. The Costa Del Mar Permit polarized sunglasses will stay in place, they also are hydrolite injected. With side vents the Costa Del Mar Permit sunglasses will stay clear all day which is important for any angler to see his line. The Costa Del Mar Permit sunglasses are durable and comfortable.