Nike SB Dunk OPTIMAL TRACTION AND CUSHIONINGThe Nike Vapor Shark Men's Football Cleat is made with an aggressive traction pattern and a lightweight Phylon midsole for better acceleration and performance cushioning.BenefitsLightweight synthetic leather upper with comfort collar for performance and great fitFull-length Phylon midsole for responsive comfortAggressive Shark rubber outsole with Nike fast-flex for natural performance and speed