GENUINE LEATHER: 100% leather upper, lining, and insole; CPSIA-certified lead-free leather is safe, sustainable, and durable FLEXIBLE AND ROOMY: Flexible baby shoe allows for full range of motion; wide toe box allows plenty of room for wiggling toes LIGHTWEIGHT: Lightweight with padded collar for comfortable all-day wear BREATHABLE: Fully lined with soft leather, which is naturally antimicrobial and breathable EASY ON AND OFF: Velcro closure for a just-right fit; designed to be pulled on and off in a flash