Breathable and flexible footwear for infants and young children include an upper, a sole, and a thread. The upper having upper-holes around the upper peripheral. The sole having a lip portion on the sole peripheral, wherein the lip portion having sole-holes around the sole peripheral. The thread attaching the upper and the sole through the upper-holes and the sole-holes, and forming a set of stitches, wherein at least one ripple is formed between two sets of stitches, and wherein the thread is embedded in the lip portion and between the ripples. The set of stitches comprising the thread coming though a first upper-hole and entering the sole-hole of the lip portion, such that the thread forms an angled stitch on the lip portion, and wherein the thread then goes through a second upper-hole and exits from a third upper-hole, such that the thread forms a horizontal stitch on the inside of the footwear.