>CCM Tacks 9070 Hockey Skate features Metaframe technology on the quarter package Rocketframe composite Speedcore 2 Stiffness for a rigid thermo-formable boot an HD Micro Fiber Liner with Durazone Abrasion Protection a smooth contour comfort pad multi-density memory foam ankle padding a 7mm felt tongue with embossed lace-bite protection a concave reinforced TPU outsole with exhaust system an anatomical response footbed SB4.0 Holder and a SB Stainless runner for a long(er) lasting edge.