An official licensed product. Size Guide: 3 years - 98 cm (38 in), 4 years - 104 cm (41 in), 5 Years - 110 cm (43 in), 6 years - 116 cm (45.6 in), 7 Years - 122 cm (48 in), 8 years - 128 cm (50 in), 9 Years - 134 cm (52.7 in), 10 years - 140 cm (55.1 in), 11 years - 146 cm (57 in), 12 years - 152 cm (59 in), 13 years - 158 cm (62 in).