If you love all the history behind your favorite MLB franchise, this Seattle Mariners Cooperstown Collection Mesh Batting Practice Jersey is an essential piece of fan gear. Designed by Profile, it features an authentic design with sewn-on graphics and a timeless V-neck collar. Represent the era of Seattle Mariners baseball gone by each time you wear this batting practice jersey. Machine wash, tumble dry low. Rounded hem. Cooperstown Jersey. Brand: Profile. Mesh fabric. Jersey Color Style: Throwback. Embroidered fabric applique. Two-button placket. Sewn-on tackle twill appliques. Short sleeve. Imported. Material: 100% Polyester. Officially licensed. Size: XLT. Color: Navy. Gender: male. Age Group: adult. Material: COTTON.