Irish Boomerang classes

[seaofdreams]

hi my mare has done Boomerang classes a couple of years ago when she was in Ireland, could someone please explain to me what these entail as on her irish showjumping report it just says that she has competed in them, but i don't know anything about them
thanks
Hx

 

[amage]

they are 1.20/1.30 classes for irishbred 5/6yrolds very prestigious class. the final goes up to about 1.40 and takes place at millstreet show. its a bit like irish version of foxhunter