Regular fit Compression fit tunnel tongue: Lightweight tunnel tongue with TPU reinforcements for enhanced fit experience and lockdown Fibertouch upper: Engineered material package offering lightweight support and cushioning only where needed Sprintweb: High definition 3D texture for enhanced ball contact especially when dribbling at high speeds Sprintframe 360: Outsole with an anatomically designed coring structure and iconic external heel counter for acceleration and speed in all directions Free the fast with the adidas F50. Created to unlock the full potential of your acceleration, movement and speed. The thin Fibertouch upper on these super-light adidas Elite soccer cleats has a Compression Fit Tunnel Tongue for lockdown and Sprintweb 3D texture that keeps the ball glued to your toe. A springy Sprintframe 360 outsole adds extra oomph as you accelerate on firm ground.