Cliff Keen F5 Tornado wrestling headgear -- A revolutionary design based on NASA reasearch, created by the most trusted name in wrestling and tested by some of the best on the planet. It's 43% lighter. Remarkably cooler. Includes Greater Audible Sound technology. Incorporates our new PowerTab strapping system for a better, faster fit. It's custom built to match your team colors. Combats bacterial build-up. And it's made from our strongest components yet for incredible durability. Simply put, it's heads above the competition.