Setup: Getting these shoes on is straightforward. Simply loosen the hook-and-loop strap, slide your infant's foot in, and secure the strap. The elastic laces adapt to the foot's shape, providing a snug fit without needing to be tied. Ensure your child's toes have a small amount of wiggle room (about a thumb's width) at the front for optimal comfort and growth. Compatibility: These shoes are designed specifically for infants and are unisex. This particular model is a UK Size 5. Always consult an adidas sizing chart if you are unsure about the best size for your child, as foot sizes can vary greatly among infants of the same age. Care: The suede upper requires careful maintenance. Avoid machine washing or submerging the shoes in water. For general cleaning, gently brush off loose dirt with a soft suede brush. For spots or stains, use a dedicated suede cleaner following the product's instructions. A suede protector spray can help guard against stains and moisture. Allow the shoes to air dry away from direct heat.