Elevate your summer style in the comfy Cole Haan Zerogrand Crisscross Sandal. 4.ZERGRAND Technology: Lightweight Construction with advanced engineered upper provides excellent fit and airflow. Responsive Cushioning with systematic layers of proprietary cushioning compounds softly pad each step providing luxurious all-day comfort. Natural Flexibility, smart design, and engineering mimic the foot's natural motion allowing you to move smoothly from heel to toe with less fatigue. Fully lined. Padded sock lining. Full rubber outsole. Adjustable hook-and-loop strap closure. Round open toe. Leather upper. Man-made lining and insole. Synthetic.