Babolat RPM Blast Tennis String Color:Blue Center-front zipper has an interior

Center-front zipper has an interior storm flap

Babolat also finishes the surface with a silicon coating to enhance snapback and further improve durability

allowing the frame to breathe upon impact for enhanced pocketing and stability

Designed for the youngest skiers

Babolat RPM Blast Tennis String Color:Blue Center-front zipper has an interiorOne of the most iconic co polys of all time, this firm and durable string is perfect for big hitters looking to load the ball with pace and spin. The slick surface of RPM Blast enables the strings to snap back with vicious force, resulting in extra RPMs (think heavy ball). It also seems to be working quite well for Rafa! Did we mention the spin? Composition: Co polyester Monofilament