The Alkali Revel 1G Goal Skates were designed with the senior, elite roller hockey goalie looking for premium performance and comfort. Alkali used its premium composite boot with new IX Technology that delivers topnotch responsiveness, protection and longevity. Quarter Construction: Revel IX. Heat Moldable: Yes. Quarter Material: PU. Eyelet Facing: Microfiber. Liner: Brushed Tricot. Stiffness Package: Pro Plus. Outsole: Carbon Fiber. Chassis: Extruded 6000 Series Aluminum. Bearing: Helo Swiss. Wheel: Konnix Nucleus. Tongue: Two Piece 9mm Felt. Full Circular Comfort Edge. Back Pad Strap (Lundy Loop).