Tecnifibre X-One Biphase - String Reel age-8-and-under Includes 1/2” Fiberglass dowels

Includes 1/2” Fiberglass dowels

Roller is 5/8” thick polyvinylaldahyde seamless foam with PVC core

formerly known as Babolat Powergy

It is the softest

Midsole: ABZORB midsole offers tons of cushioning and support

Tecnifibre X-One Biphase - String Reel age-8-and-under Includes 1/2” Fiberglass dowelsAccording to Tecnifibre, the X One Biphase string uses High Heat Capacity (H2C) fibers, which allows the use of an innovative chemical treatment process called Trimerization. This new process increases the cohesion between chemical molecule links through extreme variations in temperature to result in ultimate dynamic efficiency (power) and exceptional feel. The new patented Biphasic process, with its visible marks on the string, extends string life by