F-I-T SYSTEM - CCM F-I-T System combines heat and pressure for a "gapless" customized fit. Lateral Support - Pro molded anatomical ankle support delivers required support and eliminates breakdown. Ankle Pads - Comfort foams form to the ankles for easy break-in. Tongue - Anatomical felt tongue combined with HD lace-bite stays in place while providing a close, comfortable fit. Liner - MICROFIBER liner for quick drying and comfortable fit. Quarter Package - MAX ARMOUR applied to rugged embossed package provides protection and durability Vamping - DURAVAMP offers improved abrasion and cut resistance. Footbed - Anatomical Response HD footbed has a natural heel cup for comfort. Outsole - Low profile overmolded silver outsole ensures solid boot interface delivering on durability. Holder - CCM E-BLADE PRO blade holder maximizes energy transfer and features replaceable runner replacement. Runner - PROformance Stainless runner delivers long lasting esge and excellent glide.