Fly past all competition and claim your place as leader. You're bound to tear up the track in the New Balance MR800. ; A middle distance spiked racing flat. Ideal for events ranging from 800m to 3,000m. ; Ultra lightweight mesh upper for a breathable environment. ; Synthetic leather overlays provide durable, targeted support. ; Contoured heel cup for added comfort. ; ACTEVA midsole is 12% lighter than the standard midsole foam and features DuPont Engage technology for superb durability. ; Carbon fiber forefoot plate provides impact protection. ; Pebax spike plate with six removable spikes. ; Built on a RL-2 last. This last type has a standard toe box width, a standard instep height, and a narrow heel width.