The orthotic foot brace for a person wearing a footwear generally has: a lower leg holder securable to a lower leg of the person for use, a lower leg strut connected to the lower leg holder and extending downwardly towards the footwear during use a foot strut structurally connected to the lower leg strut and having at least one side portion, each side portion extending forwardly along a respective side of the footwear and extending outwardly along a respective side of the footwear an instep strut provided in the form of an extension of the foot strut along a long axis of the footwear, the instep strut having a distal portion securable to the footwear, and at least a proximal portion being slidably connected to the foot strut in a manner to allow adjusting the extension distance of the distal portion to a selected position.
