In an Oscommerce MS2.2 clothes shop, you'll add in attributes (products options) a measurements tools.
This tool allow customers to save their sizes in profile.
Sizes is defined by all letters in uploaded files (A to AZ).
You have to split measurements tools in two parts (chest and legs).
In product's admin, we can select if clothes need chest or legs part.
Measurements have to be write in checkout_confirmation, admin orders, and all other page where orders are display (ex: like invoice or packing slip).