The 9.9 Gym Workhorse Classic Rope is an ultra-abrasion-resistant rope designed for indoor climbing. The 9.9 Gym Workhorse Classic Rope features the most robust construction MAMMUT has ever created to date. The optimized sheath construction, with a much finer and smoother surface, ensures better abrasion resistance than standard ropes of comparable diameters. Designed for intensive indoor use.