These are high-waisted stretch jeans from RICCA RICCA, a children's clothing brand of Shimamura. They were worn by my child between the ages of 8 and 10 (3rd and 4th grade). They are very stretchy. The child who wore them said they were easy to move in. They have a zipper and button closure, and were worn as casual wear on weekends. They show signs of wear, but I think they can still be worn. My child is slender, so they were worn with suspenders. They have a stylish shape, ★