Toe and side mesh for breathability Comfortable foam midsole Durable rubber toe tip Whether pivoting or sliding, the Nike Zoom SD 4 offers tailored support for top-tier performance. The no-sew upper ensures smooth comfort, while the midfoot strap and Flywire cables wrap beneath the arch, reducing internal movement as you prepare to launch. A forefoot molded plastic plate ensures durability, high-abrasion rubber provides ground traction, and a flexible, textured outsole aids in wet conditions.