The development of the 2013 models continues. The original training shoe with 53 node flex has a slightly rounded bottom allowing the foot to make natural movements while at the same time strengthening the ankle and calf muscles. A raised topline stabilizes the foot on the platform during exercises of endurance and agility. Outrigger in carbon rubber compressed in strategic positions and bearings to protect against knocks to improve traction and durability. The progressive Fuse Frame construction of the mesh in synthetic and breathable material gives Transition a completely new look. The minimalist construction has been confirmed with foam or backer on the outside. The best possible natural movement is with Transition.