For the second year in a row, the Vicis Zero1 helmet clinched the NFL and NFLPA’s top rating in terms of helmet safety, after the league conducted its own round of independent tests. Along with last year’s model, the company now claims the top two safest helmets out of the 34 used in the NFL. The post The Vicis Zero1 ranks highest in NFL and NFLPA testing for second straight year appeared first on Digital Trends .