The Vapor 2X Skate is built with the new ACCELFLEX ELITE PERFORMANCE SYSTEM, which offers additional flex, performance, and high-end value. The Asymmetrical Toe Cap was assembled using the profile of 25,000 player scans and it is optimized to enhance your push-off on every stride. The 48 oz. Recoil felt tongue offers optimal flexibility, comfort and protection. Aerofoam+ assists with thermoformability and an improved fit. The asymmetrical quarter construction provides increased medial support to enhance agility and quickness. Comfort Edge padding delivers premium comfort and high-end value along with a 3D-lasted CURV Composite boot which gives elite level ankle/heel support.