Joie Savvy 4-in-1 Baby CarrierCareful engineering cradles your infant's naturally C shaped spine, hugging them in their favourite fetal position Lighten the load with a smart and secure strap that distributes weight evenly and adjusts easily for a finetuned fit. Optimal support lets your little one sit smart in an ergonomic M shaped position that promotes healthy spine and hip development, certified hip healthy by the hip dysplasia institute. 4in1 carrying positions offer baby