Wilson’s P9550 Batting Practice Jacket is a Nylon/Spandex blend, for comfort and durability, mens baseball batting practice jacket designed to provide hours of comfort in the batting cage. These batting practice jackets have short sleeves with mesh inserts for breathability. Wilson batting practice jackets have an open bottom with a bungee cord and cord lock, vented back with Velcro closure to allow for decoration, Pro Flex comfort stretch and embroidered Wilson logo on the back of the neck. Features: ---Nylon/Spandex blend ---Short sleeve with mesh inserts ---Open bottom with bungee cord & cord lock ---Vented back with Velcro closure ---Pro Flex comfort stretch ---Embroidered Wilson logo