Part of the Topo Athletic Pro Series lineup, Specter 3 shows up looking like it has somewhere to be. I took it out for a spin, and here’s what I experienced, one mile at a time. As I shift into a faster gear, transitions from midfoot strike to toe-off feel natural and almost effortless. Mile Five: PerformanceComing into the final full mile of the test run—more downhill before leveling out—the shoe continues to deliver a solid and comfortable ride. The upper remains light but snug, and the generous toe box continues to feel natural.