NOT LEGALLY APPROVED – The 1400 takes on new life in its fifth version with an aggressive new race ready construction. Featuring a forefoot-focused engineered mesh, the upper showcases a sleek resin print logo and speedy design, while a thin internal cage provides lightweight support. Underfoot, careful adjustments to the REVlite midsole ensure a speedy and resilient ride for 5k to 26.2, with an outsole configuration ready to tackle any race day elements.