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 Sprintframe 360 soft ground outsole Find Your Fast To Truly Express Yourself On The Field. Feel The Rush In Adidas F50 Cleats Engineered For Speed. These Elite Soccer Cleats Have A Thin Fibertouch Upper With A Compression Fit Tunnel Tongue For Lockdown And A Sprintweb 3D Texture To Help Keep The Ball Close When You're Flying. Designed For Wet Grass Pitches, The Springy Sprintframe 360 Outsole Supports Relentless Pace.