What does a 52",190 pound client have in common with a 62," 450 pound client? Clinically bariatric clients who need complex rehab seating/mobility products have unique medical,functional,and envirnomental needs and challenges.The prevelence of the obesity epidemic in North America makes it essential for therapists,suppliers,and manufaturers of complex rehab equipment to be able to identify these needs and challenges and provide optimal product choices for clients of all sizes who are clinically obese.Synthsizing clinical ration ale and product application expertise,providers and therapists must be able to skillfully apply clinical evaluation results to develop seating and mobility product/feature recommendations and justifciations for bariatric clients.Examples of individual client cases illustrate application of evidence based best practices to seating/ mobility product application for bariatric clients.