New Mizuno Wmn W6.5 Wave Lightening Z2 Indoor Court Volleyball Shoe Blue Black 6.5 Wide:Blue Black Butyl rubber bladder for high 15":Royal Black Silver Butyl rubber bladder for high air retention qualities NO ASSEMBLY REQUIRED Nocks can go straight form the package to the shaft in fully operational condition providing excellent cushioning and enhanced stability 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: 8 100% Synthetic Mesh Imported Rubber sole Parallel wave technology which uniformly disperses shock throughout the sole