Spring Notion Baby Boys' Formal White Dress Suit Set Includes two-button jacket, vest, dress shirt, pants and neck tie. Jacket and vest are fully lined. Baby pants has elastic waist. Size 2T to 4T has flat front while size 5 and up pants has button front and zip fly at front. Adjustable around the neck tie with buckle at back for easy closure. Shirt: 65%polyester 35%cotton. Jacket, vest, pants 100% polyester.