XX – Small
Imperial 6 1/8 to 6 1/4 | Metric 50 to 51 cms
X – Small
Imperial 6 3/8 to 6 1/2 | Metric 52 to 53 cms
Small
Imperial 6 5/8 to 6 3/4 | Metric 54 to 55 cms
Medium
Imperial 6 7/8 fo 7 | metric 56 to 57 cms
Large
Imperial 7 1/8 to 7 1/4 | Metric 58 to 59 cms
X – Large
Imperial 7 3/8 to 7 1/2 | Metric 60 to 61 cms
XX – Large
Imperial 7 5/8 to 7 3/4 | Metric 62 to 63 cms