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