The Futura XR have the HRS 90 technology that maintains the heel in place during power transfer and maximizes power transfer. One way Lycra inside the shoe provides support and eliminates heel lift. A multi positioning ratchet offers a customized fit and optimal performance. Visual display of cleat position compatible with DURA ACE, SPD, TIME, LOOK and SPEED PLAY cleats. Synthetic leather and nylon laminated cycling mesh upper. COOLMAX Ergo Air Cool Stuff blue and Hot Stuff red interchangeable insoles. Decentered straps and outer rings.