Mizuno Women's Wave Tornado 9 WOMS WH-PK Volleyball Shoe 100% Synthetic Imported Rubber sole The ultimate wave features unrivaled cushioning and improve durability by absorbing and dispersing the impact at foot strike Extra grade rubber ("XG" rubber) allows for high traction grip to the floor Dynamation groove increases flexibility and agility while minimizing forefoot instability Non-marking outsole does not mark up the gym floor Weight: 10.2 oz