What Our Gearhead(R) Experts Are Saying: "This rope is the perfect balance of weight, durability, and feel. It handles really smoothly through my belay device and has just enough stiffness for easy clips. It's been my go-to for both gym training and outdoor projects."The Sterling Velocity 9. 8 Xeros Rope is designed for climbers who want a do-it-all workhorse for sport, trad, and gym climbing. Its 9. 8mm diameter delivers a balance between lightweight performance and long-term durability, making it an ideal choice for projecting routes and building all-around skills. Sterling's Xeros dry treatment technology provides water resistance from the inside out, treating individual fibers to ensure consistent performance without heavy coatings. Whether we're sending outdoors or grinding in the gym, the Velocity keeps handling smooth and catches soft fall after fall.