The Free-to-Grow Carrier has a fully adjustable panel allowing you to use it starting when baby is just 7 pounds without an infant insert, and the Standard Carrier requires the use of an infant insert until baby is at least 15 pounds.
Both Standard Tula Baby Carriers and Free-to-Grow Carriers can be used until 45 pounds.
The Free-to-Grow Carrier features three width settings – narrow, middle, and wide, and two height settings – short and tall, to accommodate babies of many sizes with a customized fit.