Why do women's jeans have such tiny pockets?

Most of our jeans pockets are so tiny that we can't even fit our hands in them, some of them even have fake pockets (I still don't get why fake pockets exist) whereas men's jeans usually have big pockets where you can fit your phone, your wallet, your keys...
So we either have to carry a bag or to put our phone in our back pockets which is really unsafe.
We need bigger front pockets !
Why do women's jeans have such tiny pockets?
Why do women's jeans have such tiny pockets?
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