From birth up to 15 kg   forward and reaward facing seat.   seat has 3 forward and 2 reaward facing reclining position.  extendable footrest.  suspension on ( bearing ) rear wheels and on (double) front swivel-wheel. Front wheel 360 degrees rotation  front swivel wheel can be fixed. extremely manoeuverable  frame can be used from birth with maxi-cosi infant car seat adapters included. including sun canopy, rain cover , shopping basket ( max5kg) and adapters.