Performance

In-Race Neck Cooling

Choose your format

Which format is right for you?

Three ways to run KELVIN — pick by race length and how much active cooling you need.

Starter

KELVIN ONE

Single-race starter. Try it on your next event.

  • ›3 elements
  • ›~30 min active cooling each
Most cooling
Endurance

KELVIN PRO

Longer cooling for ultra and trail.

  • ›3 PRO elements
  • ›~45 min active cooling each
Season

KELVIN PACK

Season multipack. The lowest price per race.

  • ›10 elements (mixed ONE + PRO)
  • ›Lowest price per race