Sorbothane insoles are your best defense against foot pain

Made of impact resistant nylon with a durable metal frame

power or tension

non-slip durable rubberized spots that make great targets and teaching aids

Breathable mesh fabric in back for a soft

Penn QST 60 Felt 12 Pack FREIGHTCODE-B Sorbothane insoles are your bestThe Penn QST 60 Felt 12 Pack of Training Balls are geared toward more advanced young players between ages 9 and 10 hitting on a 60 foot tennis court. These balls feature a low compression designed core that allows for the chance to have longer rallies. The bold yellow and orange felt stands out on the court. 12 balls per package. Two tone felt with low compression core. USTA and ITF approved and endorsed by the PTR.