Purchased on Mercari and tried on once. Crocs Crocstone Skylar Flat Diet Sandals Size: W7 (23cm - 23.5cm) Color: Brown Comfortable and stylish functional sandals designed to help you improve your figure just by walking. The "Crocs Crocstone Skylar Flat Diet Sandals" are smart diet sandals that turn everyday walking into exercise. In addition to the lightweight and comfortable fit unique to Crocs, they feature the proprietary "Crocstone Technology." This promotes the natural movement of the soles of the feet, supporting correct posture and muscle activity. Features: * Equipped with Crocstone Technology: Promotes the rolling motion of the foot, supporting the tightening of the calves, thighs, and abdomen. * Flat design for excellent stability: The difference in heel height is small, making it less tiring even for long walks. * Ultra-lightweight and soft comfort: Made with Croslite material for a light feel. Feels like you're barefoot. * Material with excellent breathability and deodorizing properties: Comfortable to use even in hot seasons.