The Arial 9.5 mm from Petzl is a grippy, lightweight yet robust single rope that comes with you on sport climbing routes, but also on mixed routes. It has a water- and stain-resistant impregnation and has been thermally enhanced for extra smooth handling, whether you're advancing or belaying. The rope center is conveniently marked, and with ClimbReady wrapping, you can just unzip and get going right away.