Querido amigo. A continuación, una tabla con los tamaños correspondientes. Gracias.36-37=23.5CM=MX3-MX3.538-39=25CM=MX4.5-MX540-41=26CM=MX6-MX6.542-43=27CM=MX7-MX844-45=28CM=MX9-MX10Sole Material: Ethylene Vinyl AcetateHeel type: low heel, non-slip(Comfortable and dry): The sole of the sandal is ergonomically designed, the material is soft and easy to dry, and it is comfortable all day long.(Good Material): Eco-friendly EVA material, light and strong.(Non-slip and anti-skid): EVA rubber sole, flexible without losing power, good grip, anti-slip and wear-resistant effect; sports sandals with textured sole, help to prevent slipping.(Suitable for Many Occasions): Sandals are perfect for summer beach visit, swimming pool, fishing, home cleaning, indoor and outdoor use, walking, travel, shower, spa, steam room, camping, indoor ground, workplace, garden, dog walking, Vacation, gym etc. Just wear these cool sandals anywhere you need them, they are not only comfortable but also cool and stylish.(More fashionable and cool): Waterproof and washable, can be matched with different clothes or shorts, suitable for everyone, slippers for different seasons and various outdoor and indoor occasions, you can use them on vacation, travel, bedroom, bathroom spa, gym, etc. Use them. Not only are they easy to clean and carry, they also make you and your couple more stylish. A particularly cute shape, available in a variety of color options, these sandals will make you stand out in a crowd. This is a cool new trend.Multiple Size Options: Pillow-slipper design, unisex, a variety of sizes are available for you to choose from, if you like looser, it is recommended that you choose one size larger, please refer to the picture size chart for details.Thickened sole design: 1.7-inch high-elastic EVA material thickened soft sole is very ergonomically designed to make your feet comfortable, can effectively absorb front and rear shocks, reduce foot pressure, and provide you with comfortable and lasting support throughout the day.Quality After Sales: If you have any questions about our products, please contact us, we will only reply and solve your problem within 24 hours.