OshKosh B'Gosh provides a wide range of sizes designed to accommodate children from infancy through the early teen years. The size offerings typically start with newborn options, including sizes such as newborn, 0-3 months, and 3-6 months. For toddlers, you will generally find sizes ranging from 2T to 5T. As children grow into preschool and elementary ages, OshKosh B'Gosh usually offers sizes 4 to 14, indicating the child's age group. Some collections may also offer extended sizes or specialty fits. For specific size charts, including measurements and guidance on how to select the appropriate size for a child, it is advisable to visit the official OshKosh B'Gosh website. There, customers can find comprehensive information regarding sizing, as well as detailed product descriptions to help in making informed decisions for purchasing.