- 100% Polyester
- Hand wash, line dry
- MLB Authentic Collection locker tag
- MLB back neck logo
- Tackle twill chest decoration and sleeve patches where applicable
- 100% Polyester performance mesh body
- 82% Nylon, 18% Spandex stretch mesh sides and back
- Cool Base jersey is designed with interlock moisture-wicking fabric for a lightweight and breathable feel
- Cool Base side seam label
- V-Neck Pullover front
- Officially licensed