Keep your bat in top shape during the offseason or in between games by storing it inside the markwort iron gloves bat insulator protector. The iron glove is designed to keep your bat approximately 32% warmer, maintaining its maximum performance operating temperature and reducing the chance of dings throughout the barrel. Maximize your chances at the plate. The sleeve helps retain internal temperature by ~32% insulating process keeps your bat from getting cold, which drives more consistency at the plate also minimizes potential dents and damage due to cooler temperatures.