Petzl - ARIAL 9.5mm, Single Rope for High-End Climbing 6" high 11" wide VERSATILE ROPE: For experienced climbers, the ARIAL is a thin rope, with excellent balance between weight and performance. ENDURES THE ELEMENTS: Features Duratec Dry treatment that makes the rope more resistant to water, dirt, and abrasion; handling, grip, and other characteristics are retained longer in cold, wet conditions. UNBELIEVABLY DURABLE: The core and the sheath are bonded together at the rope ends by an ultrasonic process called UltraSonic Finish; gives greater durability and avoids frayed ends MORE EFFECTIVE BELAYING: Middle Mark indicates the middle of the rope to facilitate maneuvers. INCREASED STABILITY: EverFlex is special thermal treatment that stabilizes the core strands and improves consistency; offers excellent grip and consistent handling over time.