Men's Nike BombaX (TF) Turf Football Boot SUPERIOR TRACTION AND BALL CONTROL. Named after the Portuguese slang for "big shots," Men's Nike BombaX (TF) Turf Football Boot is made with specialized turf rubber for the small-sided game and features a lightweight synthetic leather upper for optimal touch when shooting and passing. Soft, lightweight synthetic leather upper provides great touch without sacrificing durability. Phylon heel wedge and die-cut EVA sockliner provide lightweight, low-profile cushioning. Multidirectional compression-molded studs provide excellent turf traction. Accomodating fit for comfort all game long. Off-center lacing system is designed to provide a larger ball-striking surface for uniform boot-to-ball contact. FootballX logo is printed on the inside of the sockliner where the heel sits.