The iconic lumberjack outfit consists primarily of plaid shirts , creating a distinctive aesthetic. Their distinctive checkered pattern , often in shades of red and black, evokes the image of the worker deep in the forest. Plaid shirts, often made of durable cotton, are the preferred choice for lumberjacks and tree pruners. These shirts often have a relaxed fit to allow for greater freedom of movement, important for jobs carried out outdoors. To complete this selection, lumberjacks and tree pruners wear sweatshirts or sweaters. Made from warm , insulating synthetic blends , these garments offer protection and comfort . Long sleeves and high collars protect against the cold, while the overall design allows for the freedom of movement essential to their physical work.