Every part of England, Scotland and Wales is covered by 403 maps specially designed for walkers, off-road cyclists, horse riders and all involved in outdoor activities. The Active maps are an encapsulated map that is tough, durable and weatherproof. The maps are covered in a protective plastic coating that can be written on, so your favourite routes can be easily highlighted. They are more costly but more durable and may obviate the need for a map case, though they are bulkier and heavier. The Outdoor Leisure map series and the Pathfinder map series have been integrated with the OS Explorer Map series.