CCM Tacks 9090 Hockey Skate features 3D-Lasted Technology in the quarter package, Rocketframe Composite, Speedcore 3 Stiffness for a rigid, thermo-formable core, TOTALDRIā¢ liner with Durazone Abrasion Protection, a smooth contour comfort pad, multi-density memory foam ankle padding, TRITECH FLEX tongue with molded lace-bite protection, lightweight composite midsole, an extra stiff carbon composite outsole with exhaust system, an anatomical response footbed, SB4.0 Holder for increased angle on strides and cornering, and a Speedblade Blackā¢ runner.