Topo's lightweight, versatile trainer is built to take on everything from your road miles, up-tempo workouts, and gym work, so you never miss a beat. With Topo's new ZipFoam™ midsole, Fli-Lyte 5 strikes the perfect balance between soft cushioning and responsive bounce, so you get the best of both worlds. What else is new? We improved the heel and forefoot rocker design for an even smoother ride, while an updated rubber outsole provides increased durability and traction. Lace up with Fli-Lyte 5 and get after it.