Its lightweight, synthetic construction set the trend for cleat design, and the same superfast concept lives on in today's modern Mercs.From the iconic Vapor I to the gamechanging Superfly IV and the much sought-after Vapor Flyknit Ultra, the Mercurial series counts some of the most popular cleats of all time among its ranks. They've been worn by some of the world's best players, too, with the likes of Cristiano Ronaldo, Kylian Mbappe, Eden Hazard, Ada Hegerberg, and Didier Drogba joining R9 in the Mercurial hall of fame.If you're new to the Mercurial, here's the vital thing to know: there are now two main variations. The Vapor, which is a low-cut cleat, and the Superfly, which has an ankle collar.Nike tend to debut their most cutting-edge tech in the Merc, so whichever you choose, if you want the fastest cleats with a Swoosh that money can buy, you're in the right place.