Edelrid Kestrel Pro Dry 8.5 mm climbing half rope is the right choice if you are looking for a super strong and durable half rope. With its high sock percentage it is a rope suitable for professional use and as additional safety when climbing in a group of three. In addition, the Kestrel is finished with the best Edelrid treatments: Thermo Shield to make it compact and soft to the touch, Pro Dry to make it resistant to water, humidity and dust. The Kestrel is durable and strong. Instructions. Edelrid Kestrel Pro Dry 8.5 mm climbing half rope