Lightweight. Breathable. Aggressive. The New Balance LD5Kv7 is inspired by the fastest distance runners on the track, offering the perfect balance of structure and speed. A new engineered knit upper offers a minimal look and superior performance, with extra breathability and drainage perfect for the steeplechase. NB designed this runner with a new collar for a sleek and snug fit around the heel for added security in the most active race environments.