Riverside Stadium Club has revived interest in signing the winger after a failed move on the October deadline.
Bolasie was told he had no future at Goodison and not in the 25-man squad Premier League squad was picked by Carlo Ancelotti.
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The 31- Year-old is also attracting interest in Turkey, but Boro boss Neil Warnock, who ran Bolasie at Crystal Palace, is trying to sign a deal with Everton to transfer the striker.
The signing is worth £ 25m no longer contractually regulated in June and can be transferred free of charge in summer from summer 2016.
Ref: https://www.liverpoolecho.co.uk