adidas X 16.1 Firm Ground Football Boots - Blue/White/Shock Pink BLUE BLAST Unleash your speed. Leave defenders fumbling. Become the defence's biggest nightmare. Light up the play with X 16. These adidas X 16.1 Firm Ground Football Boots have a one-piece lightweight compression upper for a sock-like fit with zero wear-in time. Details: • Designed for speed on firm ground. • Experience zero wear-in time with a techfit® compression upper that moulds perfectly to your foot the instant you slip it on. • One-piece upper provides a snug fit for ultra-fast moves. • Provides rock-solid stability at high speeds with its extremely lightweight SPRINTFRAME outsole. • Move with explosive speed and traction on firm ground (dry natural grass) with the FG Chaos stud alignment.