SIZE 

'A' MEASUREMENT 

SIZE 

'A' MEASUREMENT 

10' 

Above 686cm (22' 6") up to 716cm (23'6")

18'

Above 930cm (30' 6") up to 960cm (31' 6")

11' 

Above 716cm (23' 6") up to 747cm (24'6")

19'

Above 960cm (31' 6") up to 990cm (32' 6")

12' 

Above 747cm (24' 6") up to 777cm (25'6")

20'

Above 990cm (32' 6") up to 1020cm (33' 6")

13' 

Above 777cm (25' 6") up to 808cm (26'6")

21'

Above 1020cm (33' 6") up to 1050cm (34' 6")

14'

Above 808cm (26' 6") up to 838cm (27'6")

22'

Above 1050cm (34' 6'') up to 1080cm (35' 6'')

15'

Above 838cm (27' 6") up to 869cm (28'6")

23'

Above 1080cm (35' 6'') up to 1115cm (36' 8'')

16'

Above 869cm (28' 6") up to 899cm (29' 6")

24'

Above 1115cm (36' 8'') up to 1150cm (37' 10'')

17'

Above 899cm (29' 6") up to 930cm (30' 6")

25'

Above 1150cm ( 37' 10'') up to 1185cm (39' 0''