Gorgeous Syd Hill Australian Saddle, over/under girth, breastplate. The Ultimate Trail Saddle. You feel safe and secure in this awesome saddle. GUC. Beautiful leather.
The seat size is 16 1/2"
The aussie saddle has a much deeper seat than either western or english saddles.
comparison chart:
Western Size 14 15 16 17 18
English Size 17 18 19 20 21
Aussie Size 16 17 18 19 20