Formal vest Set Is Made With Quality Soft Fabrics. Formal Long sleeve dress Shirt. Sizes 12 Months to 7 comes with a clip on tie, Sizes 8 to 20 comes with zipper tie. Toddler pants has elastic back, for bigger boys sizes 4 and up there is zipper fly front with button closure for easy fit. Set includes vest, shirt, pants, neck tie and bow tie.