Alyce Ives Intimates Womens Sports Bra, Pack of 4

Can you remove the pads on these? And exchange it with pads that you wanna insert?

do all four bras have pads inside?

I don't see a choice to choose a size before adding to cart? How do I choose a size?

What’s the deal with no size chart? i’m a 42c. what size should i get?