Move with ease in Cliff Keen's MXS stretch lightweight performance poly slacks! You won't find a better basketball slack in the officiating industry and at a great price! Developed by referees, our basketball slacks are comfortable to work in and tailored for a professional fit and taper. Made from 100% stretch performance poly, with a pleated front, French fly, button tab, Ban-Rol waistband, and button loop on the back pocket. The difference is in the details!