I mean, i've never used any of these services but other than an in-person consultation, i imagine your height and sizes would be on file somewhere , if not some special notes like "My size is medium ,but i prefer 'flowy' clothes that are a bit looser versus anything 'tight'/an exact fit"
Creepy Lady: .....Nice shirt, I got one just like it. There..that's all I wanted to say. Keep on wearing that drip, sister!
Lady:......What just happened?