Whether her outfit is dressy or more casual, Kate’s consistently emphasized environmentally-conscious fashion.

Made by Ralph Lauren, Kate’s had this shirt for over a decade.

Since she’s committed to sustainable style, Kate leans into enduring patterns.

Kate Middleton looking serious and wearing stripes

The princess' collection predominantly includes stripes in blue, navy, black, and white.

Understandably, the princess has made fewer public appearances this year as she’s focused on her health.

However, when she does appear, beyond patterns,Kate’s also conveyed meaning with her color choices.

Kate Middleton smiling and wearing a stripey bow