duoseat > The duoseat is a special insert with 2 seats, that can be combined with the 4Rider. The front seat is suitable for children upwards of 6 months. The rear seat can be placed in 4 positions, including a reclined position, and is suitable from birth. For small children, it is recommended that the rear seat is used in combination with the inlay; this is a seat reducer for the rear seat. This duoseat is available in navy and comes with 2 hoods. The duoseat is a great solution for parents with 2 young children.