An infant seat comprising an upper torso support, a lower torso support pivotally articulated to the upper torso support and a seat supporting structure; at least one of the upper torso support or the lower torso support is pivotally articulated to the seat supporting structure, the seat further comprising a converting mechanism for converting the seat between at least an angular position in which the upper torso support is inclined with respect to the lower torso support, and a planar position in which the upper torso support and the lower torso support are substantially co-planar.