The On Cloudmonster 2 in BlackFrost offers maximum cushioning and propulsion with a more sustainable build, making it a monster of performance for versatile running. Ideal for distances from 5k to marathons, tempo runs, interval training, recovery days, or simple road runs. It features dual-density Helion Superfoam in the midsole and a new nylon blend speedboard for enhanced energy return. The upper is made from engineered mesh with increased recycled materials (up to 24%) and less TPU than the original. Reworked eyestays enhance lockdown. Weight: 295g, Stack height: 35-29mm, Offset: 6mm. The upper uses 92% recycled materials.