The lightweight upper hugs the foot and provides a tireless and flexible support.External heel reinforcement for better stability and firmer foot locking in the correct position.The sleaged soft, plush Comfort Collar holds the heel in place for a seamless fit.The comfortable insole adapts to the shape of your foot, and the added padding at the heel provides perfect suspension every time you step.The Charged Cushioning backsole uses pressed foams for unique suspension.Massive rubber outsole and deep grooves for extra flexibility where you need it most.High abrasion rubber is used in areas where there is high wear of the sole to ensure higher durability. Material: syntheses, textiles, rubber