Advice on Summer Suit Fabrics

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Hello everyone, this is my first post and was hoping to get the group's advice on fabric selections for a couple of summer suits I have in mind. I'm hoping to source the fabrics myself (ideally), or at least direct my tailor to the right mills for the specifics suits I have in mind (below). I know my tailor can work with me to suggest a range of options, but currently I am really honed-in on the following looks / photos...

First: thinking of a DB navy seersucker number, similar to the photo attached. Anyone have ideas which mill might have produced this specific fabric? If not, any suggestions on where I can source a quality navy seersucker?

Second: really want an olive green cotton suit, inspired by the second photo attached. Similarly, any ideas which mill(s) may offer such a fabric?

Many thanks in advance for any ideas!

Welcome!

Whatever fabrics you choose I would advise to consider suit construction/linings in conjunction with your fabric choice. You could also consider linen and hopsack fabrics.