Peanut Butter Collection Infant Boys Suit Jacket Size 1. Condition is Pre-owned. Shipped with USPS Priority Mail. So I wasnt able to find what the equivalent size would be but i measured the back from shoulder to shoulder 10 inches, from top of coat to bottom is 13.5 and the sleeve from shoulder seem to bottom of sleeve is 9.5, pant waist is 8 inches and from top of.pant to bottom is 18 inches. Any other measurements or questions let me know..