Adidas Adipure Adapt Training Shoes Synthetic TECHFIT Upper - Adheres to the contours of the foot, acting as a second skin and ultimately fading into the background. Polurethane Overlays - Deliver a robust, supportive fit, exactly where it is needed. Hook and Loop Attachments - Positioned at opposing ends of the collar work in concert to facilitate quick and easy entry despite an inherently skin tight fit. 4mm Heel-to-Toe Drop - Brings the foot as close as possible to the ground, emulating a natural and entirely more beneficial running style. ADIPRENE+ - Applied across the entire midsole, delivering a soft, smooth ride from heelstrike to toe off.