Safe-footed and confidence-inspiring with all-day comfort in equal measure, the all-new Fera. The ForceDrive ™ nylon midsole and 3-Strip Velcro® closure give you a secure fit with efficient power transfer, while the TrackBone ™ rubber tread offers reliable grip. TransTextura Plus ™ antibacterial footbed combined with a ventilated mesh upper to keep your feet cool.