MEET THE NEW PHENOMENON. Kids’ Neymar Jr. Mercurial Vortex III (FG) Firm-Ground Football Boot remixes elements of past Mercurials to celebrate Neymar’s status as the new Brasilian phenomenon. It combines a synthetic leather upper with embossed ridges to create a boot for today’s fast-paced game. Synthetic leather upper provides durability. Ribbing inspired by the original 1998 Mercurial helps enhance touch. Print on the medial side is inspired by the Mercurial Neymar wore in 2010. Neymar name crest is printed on the back of the heel. Full-length TPU plate provides durability and traction. Contoured, perforated sockliner provides low-profile cushioning.