It is common for boys to wear a white Communion outfit. Many churches will provide guidelines, or a dress code, and they will almost certainly require a white shirt and formal tie.
Classic White Suit Perfect for Communion (5 piece suit) - The style runs big, and a size down from regular clothing usually works. Two button single breasted jacket Elasticated waist...
From our “Office Collection.” Perfect for First/Holy CommunionA comfortable white suit for your infant, toddler, or little boy, at an equally great price.The size chart in the photos shows the...