These are stretch twill pants from devirock. They stretch incredibly well and are stylish, making them a staple in our household! They aren't too thick, so they're perfect for wearing in the coming season. I'm selling them because my child outgrew them without wearing them much, which is a waste. Please purchase if you understand that these are recycled items. The following is an excerpt from the devirock product page: 【Product Details】 Twill pants that combine ease of movement and style. The rise isn't too deep for a clean look, and the tapered silhouette narrows towards the ankles.