Dub Grant Syngrass Calf Rope is made from a new revolutionary synthetic manilla. This rope has the look and feel of the old polygrass rope, without the maintenance. Engineered with a great feel, this rope stays consistent in all conditions. Easy break-in, long lasting and less stretch than any other rope on the market - you can keep em’ on their feet and be quick. Built to last and be fast. Sizes: 54 thread (10.0), 57 thread (10.25) and 60 thread (10.5).