The Lark Baby Carrier is designed with your comfort in mind, especially during those long babywearing sessions. Here’s why it’s so breathable: Natural Fibers: We use high-quality, natural fibers that allow for excellent airflow, keeping both you and your baby cool and comfortable. No Bulky Waistband: The Lark's sleek design eliminates the need for a bulky waistband, reducing heat buildup and ensuring a more comfortable wearing experience. No Foam Materials: By avoiding foam, we've created a carrier that's lightweight and breathable, preventing overheating and providing a snug yet airy fit. With the Lark, you can enjoy the closeness of babywearing without compromising on comfort!