Overalls. Size: Approximately 90-105 cm Total length when shoulder straps are at their longest: Approximately 71 cm Width: Approximately 36 cm My son wore these comfortably with the shoulder straps at their shortest when he was a size 90. The size can be adjusted in three stages with the buttons. In the cold season, you can also wear thick sweatshirts etc. underneath. They have a moderate amount of room and a very cute silhouette.