Ergonomic and safe for baby's hip: The IHDI (International Hip Dysplasia Institute) acknowledges Chicco EasyFit as a "hip-healthy" product when used as directed." M position tested: The wide seat ensures the proper infant hip position while baby wearing, with baby's knees higher up than his bottom and the legs spread around mother's torso Easy to wear: Easy Fit is the only baby carrier that it's worn like a T-shirt… a simple, intuitive and daily gesture Easy to fit: It adapts perfectly to all bodies, both for parents and babies, thanks to easy and very fast regulation mechanism Newborn position