A lot of bi-pattern climbing ropes will only differentiate each half by adding a couple of dots without really changing the pattern or color, and those ropes slowly lose that distinct difference after a few seasons of dirty cake the sheath. Not the Blue Water Neon Climbing Rope; it's bi-pattern is drastically different to better serve you throughout all your climbs. A 10. 1mm diameter makes this rope suitable for beginning and advanced climbers alike. It offers the handling necessary for beginners to perfect their belaying, and durable enough for projecting difficult routes.