Diadem Black Solstice Reel Gauge:16L inspired by Iga Świątek and

inspired by Iga Świątek and her dominance at Roland Garros

POLYTOUR REV not only puts a tight grip on the ball

while redistributed weight lowers swingweight for faster racquet head speed

0 technology for perfect impact feel and playability

consistent ball-striking even on off-center shots

Diadem Black Solstice Reel Gauge:16L inspired by Iga Świątek andDiadem Pro X is the most powerful and firm option for string in the Diadem line. Designed with the help of current pro tennis players, this poly string is designed to provide a stiffer option than the Flash string, with a hexagon cross section. The firmness results in an explosive response off the string bed with adequate spin production from the edged shape.