1.Soft sole with high elasticity, closely fitting the curve of the baby's foot sole, providing shock absorption upon landing without causing discomfort. 2.No fluorescent agents. Soft and comfortable fit for small feet. Breathable and non-sticky. No sharp edges. Will not scratch the baby's delicate feet. 3.Resistant to bending deformation, the sole has good toughness. After bending, it quickly rebounds and does not cause discomfort to the feet. 4.Easy-to-clean material, such as mesh fabric, canvas, and microfiber leather. These fabrics do not fade or deform after being washed. Just wipe and rinse, and dirt will be removed immediately.