All Dog Breeds Puppy Wanted

We are moving to Fiji in September of this year and are interested in a couple of Australian Shepherd puppies. Brother and Sister would be best. We've raised 2 border collies and they passed away this year at the ripe age of 15.5. We would love them again, but we believe their coats would be too heavy in Fiji. How do the Australian Shepherds do? Sincerely, Marie