A foldable stroller which includes a frame having a front leg and right and left rear legs, right and left support rails movably coupled to a respective one of the right and left rear legs, an operator handle extending between the support rails. A locking assembly is secured to at least one of the support rails and biased toward a locking position that fixes the engagement between the support rails and the rear legs. The stroller includes a one hand folding mechanism that can be movably secured to an operator tray. The foldable stroller also includes a reclinable back having a plurality of recline positions that retains the last adjustment position when the stroller is moved between a folded and unfolded condition.