DeMarini Unhinge-D Short Sleeve BP Jacket - The perfect piece for batting practice, the DeMarini Unhinge-d BP Jacket is weather resistant, with an adjustable hem. Its no-chafe collar makes sure you have no distractions during training. Includes a side zip, sublimated graphics on the front and side inserts, and a heat transfer logo on back neck. 55% nylon/45% polyester. Imported.