What mens designer suits have red stiching on the button hole?

Many designer brands incorporate red stitching on the buttonhole of their suits as a subtle yet stylish detail. Notable examples include suits from brands like Gucci, Tom Ford, and Zegna, which often feature unique stitching as part of their bespoke and ready-to-wear collections. Additionally, some custom tailors offer this option for clients looking to add a personal touch to their suits. Always check current collections, as design details can vary seasonally.