The lightweight Nimbo posterior Posture Walkers supports the user from behind allowing them to achieve a better posture, while promoting trunk extension. Constructed of aluminum in a choice of bright colors, the Nimbo features four soft rubber wheels that adhere to any surface and are skid resistant. The anti-reverse override bracket disengages the one directional rear wheels with aluminum ratchet and pin mechanism to allow forward and reverse mobility. The front swivel wheels can be easily switched from swivel to non-swivel. They are height adjustable, fold easily and are available in five sizes. A width adjustable pelvic stabilizer, solid seat, forearm platforms,soft seat harness variable resistance tabs on front wheels, optional 9" front wheels and bumper guards are available as optional accessories.