MLB San Francisco Giants Brass Tacks Vintage Style T-Shirt by Red Jacket 100% Cotton; Slim Cut T-shirt Garment Washed Crew Neck. Cotton Fitted T-Shirt. Will appear faded/vintage due to the garment wash process. Brass Tacks T-Shirt By Red Jacket Officially Licensed by the MLB Progressive Fashion With Vanguard Sports Cultures. Don't Blend In With The Masses - Wear Something Unique!