These shoes are SPEED REDEFINED. The Nike Jr. Mercurial Vapor XI (FG) Firm-Ground Football Boot combines a lightweight contoured nylon plate with a revolutionary stud configuration and embossed ridges in the upper to create a boot for today's fast-paced game. The All Conditions Control technology and synthetic leather upper with horizontal ridges are made for improved control. Your foot will feel locked down, supported, and comfortable thanks to the compressed nylon plates and tongueless construction.