The Alkali RPE Rival+ Roller Hockey Skates feature ultra light quarter construction with added stiffness, 100% heat moldability, an increased energy return, and improved impact resistance. Larger comfort edge upper ankle pads & flexible tendon guard allow for maximum range of motion and proper stride extension. Maximum Power Transfer composite outsole with low profile wheel channels. Strategically located wear patches. Actvwick™ anti-slip moisture wicking internal liner helps keep your feet dry during gameplay. Equipped with a three piece fully ventilated felt tongue. HD thermoformable lace bite tongue insert. Movement extruded and stamped chassis to provide a quicker turning radius, better balance, and an increased power transfer. Labeda Millennium wheels & ABEC 9 608 bearings.