Stella McCartney's pants are tailored from wool twill with crisp pleats that sharpen the straight-leg shape. Designed to sit neatly at the waist, they fall cleanly through the legs for an easy balance to the label's embellished jackets and soft blouses.Lower-Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our NET SUSTAIN criteria here.