Factors that could influence my decision.
Personal preface
Economic reasons
Psychological reasons
Because my friends have these shoes
Peer pressure
I prefer this one over that one
Enviromental reasons
Advertising
Colour
Style
When you grow out of your shoes you can donate them you somewhere that needs them, so they don't go to waste.
Cheap
expensive
Quality
Cultural reasons
Print/ patten
The shoes that I want are made from the recycled materials
E.g. if you are from America and the is a popular brand there and you come to Australia can might pick that brand of another
If the is a brand that is big where you are from can influence what shoes you buy.