ERGObaby Four Position 360The ERGOBaby Four Position 360 provides parents the option of four comfortable and ergonomic ways to wear baby! Front-inward, Front-Outward, Hip and Back carry positions. The new, supportive wide waistband and padded shoulder straps provide maximum comfort and evenly distribute baby"s weight. With the unique, structured bucket seat, baby will always be in an ergonomic frog-leg, seated position with her spine in an optimal "C" position."Features:Structured Bucket Seat: Keeps baby ergonomically seated in all 4 positions, with knees even to or above hips, with baby"s spine in curved "C" position. Button adjustments let parents adapt the seat width to the baby"s size and position.Extra Wide Velcro Waistband: Exceptionally comfortable waistband can be worn high or low on the waist depending on preference and provides extra support for the low back.Extendable Back Panel: Can be rolled down for front-outward, or upwards for the inward facing positions to provide extra head, neck and back support for baby.Padded Shoulder Straps: Helps evenly distribute baby"s weight in combination with the wide waistband to maximize parent comfort.Sleeping Hood: Provides support for baby"s head while sleeping, protection from sun and added privacy while nursing. A parent favorite features.Age Recommendation:0-4 Months (7-12 lbs): Must use infant insert (sold separately)4-24 Months (12 lbs-26.9 lbs): Without infant insert - Use once baby can sit knee to knee in a frog-leg position in CarrierMade of 100% cotton and machine washable.