Mesh upper Lace closure NITRO FOAM in midsole for superior responsiveness and cushioning in a lightweight package Durable PUMAGRIP rubber outsole Maximum Performance Is What These Puma Shoes Were Built For. Take The Carbon Fiber Propulsion Innoplate, For Instance. It Propels You Forward With Each And Every Stride. Or Look At The Nitro Foam In The Midsole, Which Provides Superior Cushioning And Responsiveness In A Lightweight Package. In Addition, Thanks To Reflective Branding And Heel Spoiler, You Know You'll Be Seen Even In Low-Light Conditions. The Road Is Calling.