PETZL - Volta 9.2 mm, Ultralight Rope ULTRALIGHT THIN ROPE: For elite climbers the VOLTA allows optimal functioning in the belay device and can be used in rock, mixed, snow, or ice environments. 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.