"He is only 23, has got Premiership experience from his time with Watford and is highly thought of within football.
"I've watched him play many times and although he spent part of last season on the sidelines he's now fully fit and looking forward to the challenge here at Stoke City."
"We've targeted a number of players we would like to bring to the club and hope Gifton is the first of a few new faces at the club," added Pulis.
"I want to get in the type of players who will add to the quality we have here and also build a side for the future."
It's a massive boost for the potters who will be looking for a midtable finish, or higher, next season.