Boys' Skechers Toddler Microspec Advance Running Shoes The Skechers Infant Microspec Advance Sneakers are made for little feet on the move. With a lightweight feel and low-profile design, these infant sneakers feature stretchy bungee laces and an adjustable strap for quick and easy on-and-off. A soft mesh upper keeps feet cool, while the cushioned midsole supports every playful step.