The Blast Off is made of nappa glove soft leather upper. Easy on/stay on multi-directional stretch collar with elastic notch is comfortable and functional. Each comes with colorful complementary applique character or design stitched on upper toe. Visu-Fit is a clear window on the bottom of the shoe to ensure a proper size and fit by removing the foot beds and placing them on your childs feet. Thin Rubber bottom is suitable for indoor and outdoor use.