It's a size 70, but the shoulder straps are adjustable, so even a child who normally wears size 80 can wear it. In the 4th photo, it's my son at 1 year and 1 month old, 75 cm tall. It fits him perfectly or is slightly short at the hem. Please use this as a reference. I liked it and he wore it often, but I'm selling it because he outgrew it.