- Size: 22/23 • Breathable and quick-drying: Made with polyester fiber and other materials woven with different densities, these booties are more breathable than ordinary outer materials. • Velcro design: Makes it easy for children to put them on and take them off. • Lightweight and soft: Each shoe weighs less than 80 grams, making them easy to carry in a bag. • Cut prevention and non-slip: Protect against cuts from sand and rocks, and are also non-slip. • Versatile: Ideal for the beach, streams, reefs, exercise, and other water activities.