Huili Men's High-Top Outdoor Work Rain Boots, Non-Slip Rubber Shoes, Water Shoes, Durable HXL8199 Black Size 41

All measurements are in millimeters. For accurate foot length measurement, stand on white paper, mark the front and back points with a pen, and measure the distance. Differences in left and right foot sizes should be considered, and measurements should align with usual shoe size. Any significant deviation indicates incorrect measurement method. See foot circumference diagram for reference.