A workhorse rope for beginner climbers and seasoned pros, the all-around Zephyr rope from Petzl delivers exceptional control and wear resistance along with a low static elongation. Large 10.3mm diameter allows additional friction in belay and rappel devices for enhanced control during descents or belaying. DuraTec dry treatment not only repels moisture, but fends off dust and improves durability by increasing resistance to abrasion in both the sheath and core. Dry treatment helps preserve the outer sheath by reducing fuzzing of the sheath fibers the inner core fibers benefit from lower overall friction. Low static elongation makes the Zephyr a great choice for jugging fixed lines and top roping. Climb Ready Coil allows the rope to be used right out of the package butterfly coil prevents tangles and kinking, just tie-in and start climbing. Middle of the rope is marked with a single black bar to facilitate rappels. Sonic welded rope ends resist fraying. Kernmantle design combines a durable braided sheath with a shock-absorbent core for protection from fall forces. Meets or exceeds UIAA tests for falls, impact force and elongation. 60m length for long leads and rappels.