Ive researched this quite a bit.
we have a Libra Trec.....its a synthetic but super-comfy and , I thought, very good value for money. Weve used it on a 17.1hh RID and a 14.2hh Highland. Works well on both. That's the beauty of Treeless.
We also have a MUCH more expensive Barefoot Cherokee. Its beautifully comfy and is made of top quality leather but I dont like the position of the stirrup bars and when I use my English stirrup leathers I get bruises on my inner thighs. The T-bar stirrup leathers are fine on the thigh but I dont like them either as they rub my calf!! Its so awkward that Im thinking of selling it
With all Treeless you need to watch for the stirrup bars putting too much pressure on the horse's back.
AND with a smaller-built horse I think they have a higher tendency to slip.
But if you have a horse who changes shape a lot, what are you going to do? Buy potentially 3 different saddles? That is what we would need for both our Highlands and our RID
