The UPPAbaby 
                                Mesa Max is part of the
                                Car Seats test program at
                                Consumer Reports.  In our lab tests, Infant Car Seats
                                models like the Mesa Max are rated on multiple criteria, such as those
                                listed below.
                            
                                                        
                                Maximum weight:
                                The maximum weight of a child that a model will accommodate.
                            
                                                        
                                Ease of use:
                                Includes the clarity of instructions, installing the seat, adjusting harness positions, placing a child in the seat, securing the harness, and removing the child.
                            
                                                        
                                Fit-to-vehicle LATCH:
                                A rating of how easy it is to securely and correctly install each seat using the LATCH system in a variety of vehicles and how well the seats fit each vehicle once installed.