Various orthopaedic brace configurations and elements to be applied to the lower leg and foot are disclosed here, which include a rigid monocoque exoskeleton, foam padded interior, a plurality of retention devices, a plurality of stabilizers extendable through a spring loaded ratcheting mechanism, and a plurality of smaller stabilizer structures. This orthopaedic brace limits inversion, eversion and planterflexion of the ankle and limits flexion, extension, medial rotation and lateral rotation of the knee and hip joint.