Since you need to hide your genitals you should wear tight underwear, a thong or a g-string (as previously suggested) will give you no end of trouble.
Briefs
first of all how is she if she is a girl she should be wearing underwear,Bra,shirt,and pants/skirt or a dress!
Thong.
plastic or absorbent underwear
Well if it's a boy than breifs to keep his penis from scraping in his pants If its a girl get her panties bikini type best for Comfert and makes little girl feel good about her self
Nike Court Lows
jeans tee shirt when warm
Normal underwear.
You should go to the Czech Republic, commit a crime, and tell me what kind of jeans they give youe back for easy access
You should wear three layers of coats, long underwear and boots
Skinny jeans
Levi 550's are a good solution.