Study: Nike Vaporfly 4% Reduces Energy Use Gallery Study: Nike Vaporfly 4% Reduces Energy Use Road Running Shoes, Shoes + Gear Study: Nike Vaporfly 4% Reduces Energy Use A new study shows that the Nike Vaporfly 4% actually reduces a runner's energy output. By Motiv Running|2017-11-20T23:36:26+00:00November 17th, 2017|Road Running Shoes, Shoes + Gear|0 Comments Read More
