They take the trip to Bayonne this weekend.
Leinster head coach Leo Cullen has been boosted by the return of four key players ahead of their trip to Bayonne in the Investec Champions Cup this weekend.
Garry Ringrose, RG Snyman, Tadhg Furlong and Jimmy O’Brien are all back in training, after sitting out Saturday's 25-24 win over La Rochelle.
Andrew Porter's fitness will be monitored throughout the week as he recovers from a calf issue.

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Monday Morning Sports Update
Kildare LGFA 7 Points Win vs Meath
Kildare Lose Heavily to Meath
Kildare Hurling Team vs Down