The UPPAbaby Vista Cruz Extended Upper Adapters allow you to fit an approved infant carrier from Maxi Cosi, BeSafe or Cybex to your VISTA or CRUZ chassis. Suitable for all CRUZ Models and VISTA models from 2015 onwards.The adapter brings baby closer to you when pushing the stroller as a travel system and also creates more space between the primary and second seat when using the VISTA in twin or double mode.