Nike Flex Runner Shoes, size 5 Toddler/Baby, Flat Pewter/Medium Ash/Photo Blue Gently Used Condition. Let your little boys step out in style with the Nike Flex Runner 2. Designed to support your kiddos’ little feet, these shoes keep them feeling comfy and snug during playtime and beyond. Slip your little kids into the Nike Flex Runner 2and get them ready to make a playful statement wherever they go. Nike Flex Runner 2 features: Breathable mesh on the front brings a lightweight and cool feel. Stretchy bootie design allows ease of wear and offers a snug and secure feel. Reinforced toe tip adds durability in the case of toe-draggers. Midfoot and heel strap along with leather on the sides stabilize the fit. Foam at the back wraps up the sides of the heel, creating a wing-like shape and ensuring extra stability. Pull tabs on the heel and tongue enable easy on and off. Flexible foam sole with grooves makes every step feel natural and provides multi-surface traction.