WASPI women assert they have been financially and socially impacted by the lack of notice regarding the state pension age.
They do not believe the state pension age should return to 60. The group believes in equalisation, but not in the way in which changes were communicated to women.
Meanwhile, the contest for the Tory leadership is continuing to heat up, and Mr Sunak and Ms Truss will go head to head this evening in a televised BBC debate.
The pair are expected to discuss several key political issues, namely the cost of living crisis which continues to affect millions of people.