The Edelrid Diver Lite 9. 1 Rope is ready to run any of the most epic canyons on your list. Its dense, durable sheath resists abrasion and wears well in the wet environments you'll be exploring. Edelrid bonded the core and sheath together to minimize sheath slippage, which makes rappeling and handing smoother, and the bright color enhances visibility on long rappels or when the rope is underwater.