Nuna Aace LXIt seems like they never stop growing. Luckily, the AACE lx has every feature needed for a growing child in a fresh and sleek design. The 3D growth system means that seat depth can be increased and as the headrest is raised the shoulder width expands, making more room as your little one goes from child to pre teen. Theyll be protected thanks to a detachable side impact protection pod that works with the integrated foam. A green belt path with belt