Run effortlessly with cutting-edge nitro-infused DNA Tuned cushion. Stacked tuned cushion Introducing DNA Tuned, the next generation of nitrogen-infused foam created with dual-size cell technology. Larger cells in the heel provide plush landings, while smaller cells in the forefoot invite responsive toe-offs. Effortless transitions Expertly crafted GlideRoll Rocker features dramatically sculpted bevel and toe spring geometries for effortless heel-to-toe transitions. Stacked to the max A high stack of new DNA Tuned foam helps protect your body from impact. Unique Linear Last construction adds more volume to the shoe for a comfortable fit inclusive of foot shapes and orthotics. GlideRoll Rocker can help reduce muscular strain at the ankle joint. Lower, 6mm offset which can reduce strain on the plantar fascia.