The ON Cloudmonster 2 takes cushioning and energy return to the next level. With the largest ever CloudTec® for maximum comfort and a nylon-blend Speedboard® for powerful propulsion, it supercharges your run. Reworked dual-density Helion™ superfoam adds bounce, while a forefoot foam insert absorbs impact for an incredibly responsive, cushioned ride. Polyester Upper, Nylon-Blend Speedboard®, CloudTec® Technology, Dual-Density Helion™ Superfoam, Foam Insert, Lightweight & Flexible, Branded Details. Not just a monster by name, the On Cloudmonster 2 in BlackEclipse provides max cushioning, max propulsion, and a more sustainable build to make this already hugely popular versatile runner into a true monster of performance. The On Cloudmonster 2 is tuned for just about any run, with a speedy feel and huge levels of cushioning, it is ideal for anything from 5k to full marathon, tempo runs, interval training, recovery days or simple road runs. To give that propulsive feel, it uses dual density Helion Superfoam in the midsole, sandwiching a new nylon blend speedboard which is shaped to enhance speed for a feeling of energy that comes alive. Total recycled materials increases to 24% for a more sustainable approach to performance, without compromising your comfort. A reworked engineered mesh upper with lining is designed to enhance the feel, while reworked eyestays let you enhance your lockdown where you need it. Weight 230g Stack height 35-29mm Offset 6mm Engineered mesh upper. More sustainable including 92% recycled upper and less TPU than original. Dual density foam construction. Bounce board foam insert. Nylon blend speedboard. Meet the Cloudmonster 2 from On Running: more cushioning, more propulsion and more energy return than ever before. Featuring their biggest CloudTec cushioning ever, it combines dual-density Helion superfoam with their signature updated nylon-blend Speedboard for softer landings and better impact absorption. Increased energy return, forward momentum, and powerful take-offs make for an irresistible road run. Best for: Road running. Weight: 230g. Heel-to-toe-drop: 6mm. Features: Ride: Neutral. Cushioning: Plush. Sustainability: 24% Total recycled content.