Introducing the Propulse Blast. A shoe with a higher level of stability and durability than its predecessor, the Propulse. The Blast features a new last shape for improved comfort, a toe that accommodates wider feet, and an improved outsole for increased durability. It is equipped with the latest Babolat technologies: SensiFit technology, which fits your foot like a glove, and the 4th generation Bounce midsole for superior cushion