4 Piece Boys SuitBoys Suits Gentleman Tuxedo This 4 piece formal set for boys includes a single breasted blazer, button down shirt with a bow tie, elastic waist pants, and coordinating vest. Made from a comfortable blend of cotton and polyester, featuring a stylish print pattern, this set is suitable for all seasons, fits true to size for ages 7 months to 6 years, and adds a touch of sophistication to formal occasions.