Robeez Soft Soles Mermaid Slip On (Infant/Toddler/Little Kid) 100% Leather Leather sole 0-6 Mo = Size 1-2M, 6-12 Mo = 3-4 M, 12-18 Mo = 5-6 M, 18-24 Mo = 7-8 M, 2-3 Yr = 9-10 M, 3-4 Yr = 11-12 M Soft leather cushions and protects, flexes with each step, and breathes to keep feet cool and comfy Textured suede sole prevents slipping Comfortable and supportive, yet flexible and soft, Robeez shoes are the best choice for your child's developing feet Machine washable, air dry