Thank you for viewing from among many items. This is a baseball undershirt from Mizuno, a popular sports manufacturer. It's a fleece-lined type, so it's warm and recommended for practice and games in the cold season. Designed to suppress the source of odors, it can be worn comfortably even during long practices. It's soft and easy to move in, making it the perfect piece for children who are working hard at baseball. ■ Size: 150 ■ Color: Navy ■ Type: Low neck / Long sleeve ■ Condition: New, unused (unopened) Recommended for winter practice, games, training, and as cold-weather innerwear.