The Nike Flex Advance Boot (PS) toddler sneaker is made for cold weather and is easy to put on and take off. These children's sports shoes feature a widened opening, allowing little ones to slip in easily, and cross-fixed straps for a secure fit. Wearing comfortably is as simple as that. The interior is made of comfortable fleece material and has strong grip that can handle a variety of surfaces, helping you start playing at any time.