Youth Baseballs and Softballs have a smaller size than the Adult Baseballs and Softballs. The sizes for Youth Baseballs are 8 or 8,5 inches big. Adult Baseballs have a regular size of 9 inches.
Youth Softballs are often 10 or 11 inches big. Adult Softballs have a regular size of 12 inches.
Youth baseballs are made of Grade A full grain leather or synthetic leather with a soft center or a cushioned cork center.
Youth softballs are made of leather or synthetic leather with a cork core, a soft polycore or a polyutherane core.