"The Tim Hortons Original Iced Capp is a Canadian classic made with a blend of coffee, cream, and ice. It offers a smooth, creamy, and refreshing taste enjoyed throughout the year. Whether served in summer or any season, it remains one of Tim Hortons most popular beverages."
It's an iced cappuccino.
Tim Hortons describes it thusly;
"The Tim Hortons Original Iced Capp is a Canadian classic made with a blend of coffee, cream, and ice. It offers a smooth, creamy, and refreshing taste enjoyed throughout the year. Whether served in summer or any season, it remains one of Tim Hortons most popular beverages."
Source:
https://timhortons-menus.ca/original-iced-capp/