DeMarini Pyro BP Jacket - Men's The perfect piece for batting practice, the DeMarini Pyro BP Jacket is weather resistant, with back vents to keep your body at the ideal temperature. Its no-chafe collar makes sure you have no distractions during training. Includes a side zip, headphone port, and embroidered "D" logo on back neck. 55% nylon/45% polyester. Imported.