We're glad to hear the fit is perfect, but we'd expect no discomfort for any child using our products. We work very hard alongside parents, pediatricians, pediatric dermatologists, and safety experts to ensure our products are safe. We understand how discomfort is hard on you and your baby. We'd be grateful for the opportunity to learn more about your experience and to help you further. We hope you will find a moment to call us at 1-800-726-7377.