The BSL depends on the boot series. For the 2016/2017, we have the X Series, and the M Series (the Series is the first letter of the model name).
XP & HP Series Three strap design |
|
---|---|
Size | BSL |
23 | 281mm |
24 | 291mm |
25 | 301mm |
26 | 311mm |
27 | 321mm |
28 | 331mm |
29 | 341mm |
30 | 351mm |
31 | 361mm |
M Series Two strap design |
|
---|---|
Size | BSL |
23 | 291mm |
24 | 301mm |
25 | 311mm |
26 | 321mm |
27 | 331mm |
28 | 341mm |
29 | 351mm |
30 | 361mm |
31 | 371mm |