The RBK KFS Sprintfit Pro II RS Football Boots SG Black/Gold/White is the latest boot from RBK that is constructed to meet the rigorous demands of todays modern footballer as shown by RBKs leading player Thierry Henry of Barcelona and France.The newly designed KFS Sprintfit Pro II is constructed around an anatomically correct last that ensures a fit that is snug but at the same does not compromise comfort or flexibility for the player.Made from a supersoft K Skin leather upper that is the choice of professional players worldwide. Kangaroo leather is a natural material that breathes and creates a comfortable environment for the footballer during matches and training but without compromising the durability and excellent ball feel that is required by todays leading players along with keeping weight to a minimum.The KFS (Kinetic Fit System)is used by RBK because the footis a flexible platform which shape alters depending on the stresses and loads that it is placed under.During the transition from being on tiptoe to foot flat the foot itself becomes flatter and broader. When moving from foot flat to tiptoe the reverse takes place.The KFS panels in the boot allow for the expansion and contraction of the foot to greatly improve comfort and performance but also giving the ultimate snug fit that is required by professional players of today.The boot features the classical 6 stud removeable stud system that is built around an internal midfoot structure of the boot that provides the ultimate support possible.