The Kirschbaum Competition is a high tech polyester string which provides greater resilience for power and control. This string maintains tension very well for consistent playability for the life of the string. The Kirschbaum Competition is designed for tournament players as well as accomplished recreational players.
100% Satisfaction Guarantee: At Mansion Tennis, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Tennis in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.