Cavallo Sport Boot size 0 converted to Cavallo Entry Level Boot (ELB)

Sizing across brands only works through the millimetre band, never the number. Cavallo Sport Boot and Cavallo Entry Level Boot (ELB) both publish in millimetres, so a Cavallo Sport Boot 0 (hoof length 102 to 109 mm) is matched by finding the Cavallo Entry Level Boot (ELB) size that covers the same length.

The Sport is the narrow cut, roughly 6 mm under the Simple in width. A round hoof whose width equals its length will pinch in a Sport and wants the Simple instead.

The ELB sizes on length, then you pick sole width. If your width is 6 mm or more under your length, choose the Slim sole in that size; otherwise the Regular sole.