98% cotton 2% spandex. 16"" in the knee narrows to 12"" at the leg opening. Front slant pockets. Double back welt pockets. ACER-WP1. C3X29652. When you think of timeless, staple pieces that every girl needs in her wardrobe you should think of A.C.E. With clean lines and monochromatic looks, this line is a more streamlined approach to dressing that aims to add sophistication and polish to your everyday. A.C.E. creates perfectly tailored trousers and black need-to-own dresses for the conventionally unconventional and classically cool.