**ALL SOLD** This super rare Nike PreCooling Vest was given to very few Nike athletes. According to Nike, it is designed to cool the body’s core temperature. Since 25% of our body's total energy goes into moving muscle and 75% into regulating heat, reducing an athlete’s core temperature before a race means more energy for the competition itself. Indeed, with core cooling, athletes can often last 21% longer. In hot and humid conditions, the PreCool Vest is a key piece of equipment that can help provide the advantage an athlete needs. • **SOLD** Nike PreCool Vest sz S/M • #belllap #belllaptrackgear #nike #nikerunning #niketrackandfield #nikeprecoolingvest #nikeproelite #niketf #trackgear #trackfieldgear #tracksinglet #trackfield #nikeproelitetrack #marathontraining #nikemarathon