Premium Smoothness with Support. The new Wave Inspire 18 remains the go-to-shoe in the Mizuno line-up, designed to help keep your strides quick and stable during your daily runs. The all new Inspire 18 incorporates MIZUNO ENERZY foam in the heel wedge and a newly designed double fan-shaped wave plate, providing the Inspire wearer even better cushioning and comfort without compromising on the stability they know and love.