The fourth generation of this hightech performance shoe the Babolat Juniors Propulse 4 All Court Tennis Shoe provides excellent support traction and durabilityUpper Cell Shield material provides durability and comfort Babolats FootBelt system provides an adjustable fit offering optimal supportMidsole Kompressor System provides long lasting heel dampening and comfortOutsole Michelin outsole provides maximum traction on all surfacesColor BlackYellow