The UGG Boots Erin-Baby Bootie is made from the highest quality plush twin-faced grade A sheepskin and suede heel guards that combine durability and softness perfectly .With a simple hook-and-loop closure, it goes on and comes off easily.The UGG Boots Erin-Baby Bootie has the same characteristics of adult UGG boots, and more comfort wearing.However, to be designed according to the characteristics of your baby's feet, lovely children's shoes style, more relaxed design, so your baby's feet are not binding.