Abstract: An upper torso orthotic device having multiple adjustment mechanisms configured to enable adaptation to a wide variety of body shapes, sizes and augmentation needs. The upper torso orthotic device including a body worn support frame member configured to dynamically distribute a weight of the upper torso orthotic device across the chest, shoulder and back of a user, and a limb augmentation member configured to augment a native strength of an arm of the user by overcoming the effects of gravity, the limb augmentation member including an adjustable shoulder assembly including at least one of a leveling mechanism, a clavicle retraction/protraction angle adjustment mechanism, a shoulder abduction angle adjustment mechanism, and a shoulder width adjustment mechanism.