Classic All-in-One Baby Carrier: Adapts to your growing baby from newborn to toddler (7-45lbs and fits babies from 0-48 months): No separate infant insert required: All carry positions included: Face baby in or out: Wear on the hip or back Cool and breathable: Our cool Air Mesh collection baby carriers are made with soft and durable mesh fabric that provides our renowned ergonomic support for baby Comfort: Exceptional lower back comfort with padded lumbar support waist belt and extra padded shoulder straps with the option to wear 2 ways: Crossed or "backpack style": Waist belt can be worn high or low to maximize comfort, especially post C-section Ergonomic as baby grows: Acknowledged as hip Healthy by the International Hip Dysplasia Institute: Adjustable bucket seat supports baby in an ergonomic natural "M": Position in all carry positions Easy to use: Easy, one-handed slider adjustment allows you to quickly switch baby to face in or out on the fly Ergobaby stands by our products with our ErgoPromise Guarantee. If you find a manufacturing or material defect, Ergobaby will replace your product or the defective part at no charge.