The Nike MercurialX Proximo II Turf Football Shoe provides a perfect fit, exceptional ball touch and explosive traction for ultimate speed on synthetic surfaces. Full Flyknit Construction Innovative Flyknit wraps your foot fully for a second-skin fit.  Dynamic Fit Collar The Dynamic Fit collar fits anatomically around your ankle for a sock-like sensation. Nike Grip System The internal Nike Grip System helps keep your foot from slipping inside the boot.