Nike Toddler Baby Free Express Running Shoes Features: Durable synthetic and breathable mesh upper. Elastic lace closure with velcro strap Pull tab at heel for easy on and off. Padded collar for added comfort and stability. Textile lining for all-day, breathable comfort. Phylite midsole reduces overall weight. Flex grooves in rubber outsole allow natural movement of the foot. Comfortable Fit Lightweight Material Sz 3 New w/o box