Peg Perego Manufacturer's Description Aria OH is lightweight and convenient, with all of Peg Perego?s great features including the unique ?Freedom of Movement? harness, plus easy, one-hand folding. The superlight stroller that opens and closes with just one hand, Peg Perego?s Aria OH has all the features that make a busy parent?s life easier. Besides quick closure and a convenient carrying handle, it has our unique ?Freedom of Movement? harness and an adjustable backrest for baby?s comfort. It?s Travel System-compatible, so our Primo Viaggio SIP 30/30 car seat can be attached directly to the s...