There is no publicly available information detailing which sneaker brand Grand Duchess Maria Teresa typically wears, as her focus has primarily been on her philanthropic work and public service. Generally, members of European nobility may opt for a variety of brands based on personal style, comfort, and requirements for public engagements.

Grand Duchess Maria Teresa has been a UNICEF UNICEF 'Eminent Advocate for Children' since 2007, committing to defend the interests of children throughout the world.

Grand Duchess Maria Teresa became an honorary member of Zonta International in March 2022, recognized for her efforts to elevate women and girls and support survivors of gender-based violence.

Grand Duchess Maria Teresa has been a UNESCO UNESCO 'Goodwill Ambassador' since 1997, focusing on promoting education for girls, gender equality, women's rights, and microfinance.