The FuelCell Rebel v2 is up for your training runs and intense workouts alike. This responsive men\\\'s running shoe features our highest rebound FuelCell performance foam currently on the market, helping to provide explosive energy return in every step. The deconstructed heel counter provides extra support and the molded collar foam provides incredible lockdown. Engineered mesh in the upper is breathable for added comfort, while bold branding and coloring add style points. FuelCell foam delivers a propulsive feel to help drive you forward Synthetic/mesh construction Deconstructed heel counter provides support without added weight Molded collar foam helps lock down the foot Lace closure ensures a secure fit NDurance rubber outsole technology provides superior durability in high-wear areas to help get more out of the shoes 6 mm drop; due to variances created during the development and manufacturing processes, all references to 6 mm drop are approximate