Kit-of-parts configured to adjust a fit of a saddle, saddle of the English saddle type, comprising such a kit-of-parts and method for adjusting a fit of a saddle

A kit-of-parts configured to adjust a fit of a saddle, comprising:

• at least one base configured to be affixed to, or integrated with, an underside of the saddle, the base comprising a planar, flattened body;
• at least one shim having a predetermined thickness;
• and
• a releasable connection between the at least one base and the at least one shim for replacement of said shim for another shim having another predetermined thickness,
• wherein:
• the kit-of-parts is configured to adjust a width of an English type saddle, wherein said width is defined by a distance between left and right tree points that are arranged on opposite sides of a rigid saddle tree and that are configured to abut against ribs of a horse during use;
• the at least one base is configured to be affixed to, or integrated with, one of the left and right tree points of the rigid saddle tree;
• and
• the releasable connection comprises a guide configured to provide a reproducible and predetermined locking engagement of the shim relative to the base to thereby guarantee that said shim and said other shim having another predetermined thickness are arrangeable on the same position and orientation relative to the respective one of the left or right tree points of the rigid saddle tree, the guide including a tab and an associated recess configured to receive the tab therein, at least one of the at least one base and the at least one shim comprises the tab, and at least one other of the at least one base and the at least one shim comprises the associated recess.