adidas F50 Hyperfast League LL FG KJ3419 Men's adidas F50 football boots from the Immortal DNA Pack collection are designed for play on firm ground. The Haloskin upper provides a responsive and lightweight feel, while the Haloshell+ mesh reduces the boot's weight while promoting speed. The laceless design. The low-cut collar allows for unrestricted ankle movement. The Speedsystem outsole with a TPU plate provides traction and stability on firm, dry turf. The 2D Sprintgrid pattern highlights the dynamic, sporty character of the model.