An orthotic device (100) for insertion into footwear for correcting over pronation or supination of a foot is disclosed. The orthotic device (100) may include an insole (102) comprising an upper surface (112) and a lower surface (114). The upper surface (112) of the insole (102) may receive and support at least a portion of the foot. The orthotic device (100) also may include a removable angle insert (130) attachable to the lower surface (114) of the insole (102). The removable angle insert (130) may increase an angle about a side of the insole (102) to correct over pronation or supination of the foot.