On Cloudsurfer Next women's Long Distance the SD100 track spike is

the SD100 track spike is equipped with a TPU spike plate that provides an aggressive but forgiving ride

9'' inseam

more durable compound for harsh elements and terrain

yet lightweight cushioned heel and a wider shoe base help withstand the demands of jumping at full throttle

Can be worn under your regular socks and shoes

On Cloudsurfer Next women's Long Distance the SD100 track spike isCATCH THE NEXT WAVE. The On Cloudsurfer Next is built for daily running, it's light, cushioned and responsive. And feels fast too. Combined with Cloudsurfer cushioning for an effortless feeling, put simply, it makes faster running feel easier. As your feet hit the ground, the CloudTec Phase midsole collapses in sequence, creating a smooth roll through from heel to toe. When it's time for takeoff, bouncy Helion superfoam boosts you forward with a kick.