3rd Battalion Parris Island T-shirt has the battalion logo on the back.  The family t-shirts also  have the battalion logo on the back. Select from: My Son is a Marine, My Step Son is a Marine, Marine Mom, Marine Dad, My Grandson is a Marine, My Brother is a Marine, My Brother-in-law is a Marine, My Nephew is a Marine, My Cousin is a Marine, My Husband is a Marine,  My Boyfriend is a Marine, My Friend is a Marine or Marine Wife t-shirts. Also for families with multiple Marines, My Sons are Marines, My Grandsons are Marines and My Brothers are Marines!  Sizes small to 4XL available with no additional charge for larger sizes! AVAILABLE ONLY AT THE CORPS STORE!!!!