Description MIZUNO WAVE RIDER 29 (W) This shoe is an excellent choice for everyone from beginners to marathon fans who like moderate cushioning. The incorporation of NITROGEN INFUSED MIZUNO ENERZY NXT takes the softness and energy output to the next level in this shoe. It helps you smoothly transition from ground contact to pushing off. The MIZUNO WAVE structure works in concert to support forward propulsion and smooth weight transfer. ?MIZUNO ENERZY NXT: NITROGEN INFUSED MIZUNO ENERZY NXT is used throughout both the top and bottom of the midsole for high softness and energy output. Cushioning and energy output were significantly improved by incorporating NITROGEN INFUSED MIZUNO ENERZY NXT across the entire midsole. Combined with the stability provided by MIZUNO WAVE, this supports a smoother transition from touching the ground to pushing forward. The forefoot midsole thickness was increased by 2 mm, changing to a 10 mm drop, which boosted cushioning and energy output in the forefoot for even more comfort through pushing forward. Technology Inspired by nature, Wave is a unique midsole technology that provides both cushioning and stability   MIZUNO ENERZY NXT NITROGEN INFUSED MIZUNO ENERZY NXT in the top midsole provides soft cushioning and high energy output. It works with the EVA-based MIZUNO ENERZY NXT in the bottom midsole for added stability. An extremely durable Mizuno carbon rubber that allows for longer wear in high impact areas and gives more traction at the heel strike. A high-grade removable insock for premium comfort and cushioning.