will run out for Stirling County
in the BT Cup Final against Melrose
The Fijian winger has scored 31 tries in 92 games for Glasgow Warriors and scored twice for the Bridgehaugh men as they beat Hawick 51-19 in the semi-final last month.
Stirling have never won the BT Cup and face off against current holder Melrose in the penultimate game on Silver Saturday.
Matawalu will be joined by fellow Warrior Lewis Wynne in the County squad along with BT Scottish Rugby Academy Stage 3 Players Hamilton Burr and Adam Nicol.
Glasgow Warriors Partnership Sales Manager Ross Curle will also be playing for Stirling, starting at fly-half.