Your young fan can start game day off right in this Seattle Mariners Ken Griffey Jr. Cooperstown Collection Mesh Batting Practice jersey from Mitchell & Ness. This throwback piece features vintage Seattle Mariners graphics on the front and back, which will help your kiddo stand out in the crowd. Its mesh fabric makes it great for either relaxing or being out and about. Brand: Mitchell & Ness; Imported; Jersey Color Style: Throwback; Machine wash, tumble dry low; Material: 100% Polyester Mesh; Mesh fabric; Officially licensed; Practice Jersey; Rounded bottom hem; Short sleeves; Tackle-twill appliques; Two-button placket; V-neck; Woven jock tag at hem. VN-Vietnam Imported Care Machine washable or hand wash for best results