SAUCONY ENDORPHIN PRO 3 WOMENS Tennis Balls The bi-phase X-one tennis string

The bi-phase X-one tennis string is the highest level of power and control

adopt the Michelin Fiber Lite Technology construction that enables extreme lightness through a very thin but very durable textile layer

Because the strings are your racquet’s powerhouse

But light enough for shorter

breathable design ready to take on the trails

SAUCONY ENDORPHIN PRO 3 WOMENS Tennis Balls The bi-phase X-one tennis stringLACE 'EM OR CHASE 'EM Its speed over everything when you lace up the Endorphin Pro 3. Designed with a carbon fiber plate and an even thicker stack of PWRRUN PB foam cushioning, you get more pop underfoot for the ultimate go fast experience. Push past your limits. SPEEDROLL Technology and a powerful carbon fiber plate propel you forward for effortless speed. Take it further. A stack of PWRRUN PB foam cushioning (3mm more foam than the Endorphin Pro 2),