Engineered mesh upper Lace up closure NITROFOAM midsole for a responsive, cushioned fit PUMAGRIP rubber outsole for traction and durability TPU heel piece for added stability An All In One Neutral Running Shoe For Any Distance, The Velocity Nitro 2 Is A Lightweight And Sleek Update To The Run Puma Roster. Featuring Nitro Foam For Exceptional Responsiveness And Ultimate Cushioning, This Upgrade To The Original Is A Well Fitting And Durable Shoe For A Smooth Ride. Built For Comfort At Whatever Speed, The Versatile Runner Also Provides Enhanced Visibility Through Reflective Accents, So You Can Hit Your Stride On Your Time. Pumagrip Offers Multi Surface Traction, From Treadmill To Track.