On Running Women's Cloudspike Citius 2 Size:9.0 Deluxe package includes 32 spikes

Deluxe package includes 32 spikes plus one precision ICESPIKE installation tool

updated design with premium technology to deliver the smoothest ride on the road

NITRO™: Advanced nitrogen-injected foam designed to provide superior responsiveness and cushioning in a lightweight package

and a knit upper with a gusseted tongue is breathable

On Running Women's Cloudspike Citius 2 Size:9.0 Deluxe package includes 32 spikesLITERALLY MEANS "FASTER." Unlock your fastest self in the Cloudspike Citius 2 and break barriers from 800m to 1600m. Engineered in collaboration with On Athletics Club athletes for lethal speed and precision, the Cloudspike Citius 2 combines Helion HF, a Pebax hyper foam, for supreme energy return you can feel with a unique half length Speedboard that is a blend of fiberglass nylon that catapults you forward. UPPER: One piece mesh is precision