XS/S S S/M SM/ML M M/L L L/XL XL 2XL One size 4/7 years 47 cm 48/50 cm 49 cm 50/52 cm 51 cm 52/54 cm 53 cm 53/55 cm 53/57.5 cm 56/58 cm 58/61 cm 26 27 28 29 30 31 32 33 34 35 36 36/37 37 37/38 38 38/39 39 39/40 40 40 1/2 40.5 40/41 41 41/42 42 42.5 42/43 43 43/44 44 44 1/2 44.5 45 45/46 46 46/47 47 48 48 1/2 48.5 49 50 Junior Show more S (50/52 cm) M (53/55 cm) L (56/58 cm) L/XL 0/2 years 1/3 years 2/4 years 2/6 years 4 years 4/6 years 6/12 years 7/14 years old 8/20 years 10 years 22x17x12 cm 46/48 cm 49/50 cm 50 cm 52 cm 53/54 cm 53/60 cm 54/56 cm 54/57.5 cm 54/58 cm 54/59 cm 54/62 cm 55 cm 56 cm 57 cm 57.7 cm 58 cm 58.7 cm 58/60 cm 59 cm 60 cm 61 cm 4 years (53 cm) 8 years (55 cm) 12/18 months (47 cm) 24 25 28/29 29.5 29/30 30/31 33.5 34/35 35.5 35/36 36 Narrow 36.5 37 Narrow 37.5 38 Narrow 38.5 39 Narrow 39.5 40 Narrow 44/45 46.5 47.5 48/49 49.5 50.5 50/51 51 51.5 52.5 53 54 Adult Adult (54/56 cm) Adult M Adult XS Child (54 cm)