F50 adizero slime/metallic silver/black1 is one of the lightest boots to hit the field. Features Full grain leather for excellent comfort and ball feel.Innovative internal TPU support bands in the upper offer support and stability.Ultralight sockliner is carefully designed to not add bulk. Comes with second pair of comfort sockliners.Sprint frame outsole for lightweight stability.TRX TPU outsole has a new stud configuration that improves your balance at top speeds.This F50 adizero is miCoach SPEED_CELL compatible. Purchase your miCoach SPEED_CELL separately. Weight: 6.0 oz.