The youngsters will get their opportunities to impress in training, alongside co-captain Cory Hill, Elliot Dee and Hallam Amos who were all named in the original squad that was announced, as well as linking up with future Dragon Ross Moriarty.
Hewitt and Wainwright will join up with the squad this week at their training base in the Vale of Glamorgan.
Commenting on the two youngsters being called into the Wales squad Dragons Head Coach, Bernard Jackman said; “We are delighted for Ashton to have the opportunity to join Wales on the summer tour. He is a very exciting player and he showed a lot of leadership quality for us on and off the field this season.
“Aaron has had a rapid rise through our development pathway and his consistency led him to
He continued: “Dragons Academy graduates Ollie Griffiths and Leon Brown both won their first caps over the last 12 months and hopefully Ashton and Aaron can follow their footsteps.”
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