Crocs Mellow Tide Recovery Slide You just got home from a long day, sink into the couch, and relax with an ahhhhh. That's the feeling the Mellow Collection brings to the mind and body. Kick back and relax in our most comfortable slides yet, with a simple yet modern design. Fastening:Slip On Material Composition:Other Materials/Other Materials/Other Materials Deep, cupped footbeds, offering sink-in comfort with a slow rebound. Contemporary upper & modern styling for a sleek and simple aesthetic. Upper windows for increased breathability. Refer to Unisex Size Conversion. Product Sole displays US Size not UK..