NIKE Hyperdunk + Mens Swd/Mtllc Slvr-Atmc Grn-Lqd Lm synthetic-and-fabric Solid rubber outsole with herringbone traction pattern for ultimate performance. Dynamic collar foam, dynamic Flywire technology and a flexible u-throat opening provide comfort, protection and lockdown all promoting natural motion. Lunarlon cushioning renew midsole for the most soft responsive ride combined with a molded heel counter for lockdown. Rubber sole Mesh