A design concept for foot orthotics having several different optional
features and sub-features is disclosed. The design is useful for
supporting and correcting abnormal foot posture. The disclosure
contemplates different types of footwear in addition to user's gender,
age, weight, foot size, activity level and medical condition. Varying
types of midfoot sections and heel portions are employed having specific
arch support. The design further provides the benefits of custom foot
casting while having mass producible parts. Also disclosed are design
choices for thickness and width of the orthotics and preferred materials
for a wide range of applications. Additionally, a method is disclosed for
choosing particular orthotics for a particular person from a set of total
possible orthotics available. The set of orthotics will contain sub-sets
of specific arch heights, widths and thicknesses of orthotics.