Sports Saddle vs Soft Rider Saddle

["The Vervaet's" <VervaetP@deruyter.k12.ny.us>]

VervaetP@deruyter.K12.NY.US
I have been told very bad things about treeless saddles (and have seen some
with my own eyes).  Endurance riders.....tell me.....how do your horses
backs check out for soreness after many miles in these saddles?
Paula