The seat-to-back angle or a posterior, anterior, or lateral tilt can be incorporated into a seating system to provide increased opportunities for pressure relief, postural support, function, and participation. What benefits does an increased or decreased seat-to-back angle provide? When should it be adjustable? What are the benefits of fixed seat-to-back angles? What about tilt? How and why is tilt incorporated into a rider's day? This session provides an overview of how tilt and seat-to-back angle recommendations can be incorporated into a stroller, dependent, or manual tilt wheelchair system. Available evidence and rider experiences will be shared to illustrate interventions focusing on seat-to-back angle and tilt.