Ten of the squad are already capped from last season's matches with Matthew Jones reclaiming the No 10 jersey in a side captained by No 8 Jonathan Mills. Wing Aled Brew follows in the footsteps of brother Nathan - who went on to win a senior cap - while there are two new faces on the replacements bench in Cardiff prop Phillip Osborne and Penzance scrum half Rhodri McAtee.
Wales finished sixth in last summer's World Cup, losing twice to England in Glasgow, 23-14 and 26-19, as well as going down 22-19 in a Six Nations thriller at Gloucester last season.
Wales under 21: Ricky Williams (Newport); Aled Brew (Ospreys/Neath), Andrew Bishop (Neath), Gavin Evans (Scarlets/Llanelli), Chris Czekaj (Cardiff); Matthew Jones (Ospreys), Wayne Evans (Carmarthen Quins); Scott Roberts (Bridgend), Duane Goodfield (Pontypridd), Cai Griffiths (Neath/Ospreys), Alun Wyn-Jones (Swansea), Ian Evans (Neath), Chris Davies (Bridgend), Rhys Shellard (Pontypridd), Jonathan Mills (Scarlets, captain)
Replacements: Rhys James (UWIC), Ross Davies (Newbridge), Phillip Osborne (Cardiff), James Merriman (Hartpury Coll/Gloucester), Tom Smith (Neath), Aled Thomas (Carmarthen Quins), Rhodri McAtee (Penzance)
A pioneering strength and conditioning programme has been delivered to more than 8000 boys and girls at hub schools throughout Wales this season, helping to develop stronger, more flexible athletes for rugby and other sports.
The Singha Premiership Rugby 7s Series returns to the BT Sport Cardiff Arms Park on July 22nd when all four Welsh regions go head to head. Scarlets skills coach Dai Flanagan and Blues Elite Performance Pathway Manager Richard Hodges along with current Welsh squad members were at the launch of this season's event
GB7s women left their England base to train in Wales this week. Olympic Games hopeful Rachael Burford gives WRU TV's Graeme Gillespie her thoughts on Welsh teammate Jasmine Joyce - a 'one touch wonder'
The GB7s women's squad is currently training at Wales' Centre of Excellence where assistant coach Richie Pugh tells WRU TV's Graeme Gillespie some 'tough calls' will have to be made when it comes to finalising the 12 spots for Rio's Olympic Games.