The Puma ELECTIFY NITRO 2 is a progressive design that is perfect for all runners and distances, especially for those just starting out. This shoe remains lightweight for the amount of cushion offered, and PUMAGRIP enhances safety in the rubber outsole that is 51% grippier than the rubber in the SPEED line. The new two-tone mesh upper is futuristic and offers great breathability. TheELECTRIFY NITRO 2 is the perfect choice for new runners looking for good cushioning and value.