Head size: 525cm² / 81in²

softer PWRRUN foam formula cushions with less weight

1 detachable bag for sweaty clothes

The Auxetic technology supplies greater feel and feedback on every shot

ISOFIT system provides stabilizing support while adapting to the movement of the runner's foot

HEAD EVOLUTION PRO SQUASH STRING size-uk10-us11 Head size: 525cm² / 81in²Head Evolution Pro 110 m Squash Reel String This little brother of the ULTRA NICK PRO, the high end EVOLUTION PRO, offers the same wear resistant monofilament nylon braided wrap and a multifilament core, but puts more focus on touch, playability and durability. The string is also available in three colors so you can add your favorite colored string to your racquet. Please note this is 16 gauge or 1,30mm