Travelling to camps at the academy's home base in Wellington's ASB Sports Centre, the boys made the squad in December and have been training and fundraising since.
The son of former Wanganui Heartland rugby coach Jason Hamlin, shooting guard Isiah said they were looking forward to testing themselves on the tour.
"Experience ... just playing against higher level teams," he said.
Osborne, a point guard and nephew of former All Black Glen Osborne, echoed those sentiments and said this could be a chance to follow the footpath of another of his role models.
"It would be good to get noticed over there, now with Steve [Adams], they're looking at more international players."
The 19-year-old Adams made history when he was selected in the first round of the 2013 NBA Draft by Oklahoma.