Mission Inhaler FZ-1 Roller Hockey Skate features an off-white Curv® composite quarter package equipped with a ventilation system on both sides of the boot for airflow and breathability. The interior of the boot features a thermoformable Grip Liner with foam pads. The liner is heat moldable for a more anatomical fit. The Grip liner features Neoprene ankle padding. This padding helps further enhance protection & comfort as well as keep the player's heel(s) in place. Two-piece form-fitting tongue. The Bottom of the skate sits atop a lightweight, TPU injected outsole that's paired up with the CNC HI-LO Aluminum chassis with (2) two 76mm Labeda Addiction wheels in the front, and (2) two 80mm Addiction wheels in the back.