Girls' Nike Infant & Toddler Flex Runner 4 Running Shoes Built for little feet with big energy, this slip-on sneaker brings easy comfort and standout style to every step. The breathable mesh upper helps keep things cool while a wide elastic midfoot band ensures a snug, secure fit without the hassle of laces. A speckled foam midsole adds bold personality and plush cushioning for play-all-day ease. With pull tabs at the heel and tongue, it's simple for kids to get them on and off all by themselves.