Before Salvador Prez and the Kansas City Royals step on the field for the next game, gear up in this Name & Number T-Shirt from Nike. Its lightweight cotton fabric is breathable and comfortable, perfect for the midsummer heat of baseball season. Both the front and back are decked out in detailed graphics that will highlight your admiration of one of the game's best. Brand: Nike. Machine wash. Material: 100% Cotton. Officially licensed. Screen print graphics. Short sleeve. Sizing Tip: Product runs true to size. If you are in between sizes, we recommend ordering the smaller size. Tagless Collar. Color: Grey. Gender: male. Age Group: adult.