David Kearney, Eamonn Sheridan, Ian Madigan and Queens University student James Sandford remain from last year's squad. The starting XV and replacements for next Friday's opening clash with France in Athlone's Dubarry Park (7.30pm) will be announced on Wednesday.
Ireland U20 Squad v France U20:
Andrew Burke (Garryowen/Munster), John Cooney (UCD/Leinster), Gary Foley (Blackrock College/Leinster), David Kearney (Lansdowne/Leinster), Michael Keating (Clontarf/Leinster), Ian Madigan (Blackrock College/Leinster), Ian McKinley (UCD/Leinster)
Conor Murray (Garryowen/Munster), John O'Brien (Buccaneers/Connacht), Ronan O'Mahony (Garryowen/Munster), Eamonn Sheridan (Lansdowne/Leinster)
Mark Flanagan (UCD/Leinster), Adam Macklin (Ulster), Michael Noone (Seapoint & Lansdowne/Leinster), Peter O'Mahony (Cork Constitution/Munster), Paddy McAllister (Ballynahinch/Ulster), Jack McConnell (Lansdowne/Leinster), David McGregor (Ballynahinch/Ulster), Jack McGrath (St. Maryâ00s College/Leinster), Dominic Ryan (Lansdowne/Leinster), Ciaran Ruddock (Neath)
Rhys Ruddock (Neath), James Sandford (Queens University/Ulster), Thomas Sexton (Old Belvedere/Leinster)